Item 16. FORM 10-K SUMMARY.

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Item 16. FORM 10-K SUMMARY.

None.

EXHIBIT INDEX



Exhibit No.	Registrant	Exhibit

		Articles of Incorporation and Bylaws

3.1	UAL	Amended and Restated Certificate of Incorporation of United Continental Holdings, Inc. (filed as Exhibit 3.1 to UAL's Form 8-K filed October 1, 2010, Commission file number 1-6033, and incorporated herein by reference)

3.2	UAL	Amended and Restated Bylaws of United Continental Holdings, Inc. (filed as Exhibit 3.1 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

3.3	United	Amended and Restated Certificate of Incorporation of United Airlines, Inc. (filed as Exhibit 3.1 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference)

3.4	United	Amended and Restated By-laws of United Airlines, Inc. (filed as Exhibit 3.2 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference)

		Instruments Defining Rights of Security Holders, Including Indentures

4.1	UAL United	Amended and Restated Indenture, dated as of January 11, 2013, by and among United Continental Holdings, Inc. as Issuer, United Air Lines, Inc. as Guarantor, and the Bank of New York Mellon Trust Company, N.A. as Trustee, providing for issuance of 6% Notes due 2028, 6% Notes due 2026 and 8% Notes due 2024 (filed as Exhibit 4.6 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference)

4.2	UAL United	First Supplemental Indenture, dated as of April 1, 2013, by and among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee, to the Amended and Restated Indenture, dated as of January 11, 2013 (filed as Exhibit 4.1 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference)



4.3	UAL United	Second Supplemental Indenture, dated as of September 13, 2013, by and among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee, to the Amended and Restated Indenture, dated as of January 11, 2013 (filed as Exhibit 4.1 to UAL's Form 8-K filed September 19, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.4	UAL United	Indenture, dated as of May 7, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee (filed as Exhibit 4.1 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.5	UAL United	First Supplemental Indenture, dated as of May 7, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 6.375% Senior Notes due 2018 (filed as Exhibit 4.2 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.6	UAL United	Form of 6.375% Senior Notes due 2018 (filed as Exhibit A to Exhibit 4.2 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.7	UAL United	Form of Notation of Note Guarantee (filed as Exhibit B to Exhibit 4.2 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.8	UAL United	Second Supplemental Indenture, dated as of November 8, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 6.000% Senior Notes due 2020 (filed as Exhibit 4.2 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.9	UAL United	Form of 6.000% Senior Notes due 2020 (filed as Exhibit 4.3 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.10	UAL United	Form of Notation of Note Guarantee (filed as Exhibit 4.4 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference)

4.11	UAL United	Third Supplemental Indenture, dated as of January 26, 2017, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 5.000% Senior Notes due 2024 (filed as Exhibit 4.2 to UAL's Form 8-K filed January 27, 2017, Commission file number 1-6033, and incorporated herein by reference)

4.12	UAL United	Form of 5.000% Senior Notes due 2024 (filed as Exhibit A to Exhibit 4.2 to UAL's Form 8-K filed January 27, 2017, Commission file number 1-6033, and incorporated herein by reference)

4.13	UAL United	Form of Notation of Note Guarantee (filed as Exhibit B to Exhibit 4.2 to UAL's Form 8-K filed January 27, 2017, Commission file number 1-6033, and incorporated herein by reference)

4.14	UAL United	Fourth Supplemental Indenture, dated as of September 29, 2017, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 4.250% Senior Notes due 2022 (filed as Exhibit 4.2 to UAL's Form 8-K filed October 4, 2017, Commission file number 1-6033, and incorporated herein by reference)

4.15	UAL United	Form of 4.250% Senior Notes due 2022 (filed as Exhibit A to Exhibit 4.2 to UAL's Form 8-K filed October 4, 2017, Commission file number 1-6033, and incorporated herein by reference)

4.16	UAL United	Form of Notation of Note Guarantee (filed as Exhibit B to Exhibit 4.2 to UAL's Form 8-K filed October 4, 2017, Commission file number 1-6033, and incorporated herein by reference)
		Material Contracts

†10.1	UAL	Agreement, dated April 19, 2016, by and among PAR Capital Management, Inc., Altimeter Capital Management, LP, United Continental Holdings, Inc. and the other signatories listed on the signature page thereto (filed as Exhibit 10.1 to UAL's Form 8-K filed April 20, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.2	UAL	United Continental Holdings, Inc. Profit Sharing Plan (amended and restated effective January 1, 2016) (Filed as Exhibit 10.2 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)



†10.3	UAL	First Amendment, dated January 29, 2018, to United Continental Holdings, Inc Profit Sharing Plan (Filed as Exhibit 10.3 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.4	UAL United	Employment Agreement, dated December 31, 2015, among United Continental Holdings, Inc., United Airlines, Inc. and Oscar Munoz (filed as Exhibit 10.1 to UAL's Form 8-K/A filed January 7, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.5	UAL United	Amendment to Employment Agreement, dated April 19, 2016, by and among United Continental Holdings, Inc., United Airlines, Inc. and Oscar Munoz (filed as Exhibit 10.1 to UAL's Form 8-K filed April 20, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.6	UAL United	Second Amendment to Employment Agreement, dated April 21, 2017, by and among United Continental Holdings, Inc., United Airlines, Inc. and Oscar Munoz (incorporated by reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed on April 21, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.7	UAL United	SERP Agreement, dated as of October 1, 2010, by and among United Continental Holdings, Inc., Continental Airlines, Inc. and Gerald Laderman (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

†10.8	UAL United	Performance Award Agreement, dated May 5, 2016, by and among United Continental Holdings, Inc., United Airlines, Inc. and Brett J. Hart (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.9	UAL	Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.10	UAL	Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.11	UAL United	Description of Benefits for Officers of United Continental Holdings, Inc. and United Airlines, Inc. (filed as Exhibit 10.11 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference)

†10.12	UAL	United Continental Holdings, Inc. Officer Travel Policy (filed as Exhibit 10.24 to UAL's Form 10-K for the year ended December 31, 2010, Commission file number 1-6033, and incorporated herein by reference)

†10.13	UAL	United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Annex A to UAL Corporation's 2013 Definitive Proxy Statement filed on April 26, 2013, Commission file number 1-6033, and incorporated herein by reference) (now named the United Continental Holdings, Inc. 2008 Incentive Compensation Plan)

†10.14	UAL	First Amendment to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (changing the name to United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Annex A to UAL's Definitive Proxy Statement filed on April 26, 2013, Commission file number 1-6033, and incorporated herein by reference)

†10.15	UAL	Second Amendment to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.19 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.16	UAL	Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2008, Commission file number 1-6033, and incorporated herein by reference)

†10.17	UAL	Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (stock settled) (filed as Exhibit 10.21 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

†10.18	UAL	Form of Restricted Share Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (awards during and after 2014) (filed as Exhibit 10.27 to UAL's Form 10-K for the year ended December 31, 2013, Commission file number 1-6033, and incorporated by reference)




†10.19	UAL	United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.31 to UAL's Form 10-K for the year ended December 31, 2010, Commission file number 1-6033, and incorporated herein by reference)

†10.20	UAL	First Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (effective with respect to performance periods beginning on or after January 1, 2012) (filed as Exhibit 10.33 to UAL's Form 10-K for the year ended December 31, 2011, Commission file number 1-6033, and incorporated herein by reference)

†10.21	UAL	Second Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.29 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference)

†10.22	UAL	Third Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

†10.23	UAL	Fourth Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.22 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference)

†10.24	UAL	Form of Performance-Based Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (ROIC awards) (filed as Exhibit 10.23 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference)

†10.25	UAL	Form of Performance-Based Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (Relative Pre-tax Margin awards) (for performance periods beginning on or after January 1, 2015) (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

†10.26	UAL	United Continental Holdings, Inc. Incentive Plan 2010, as amended and restated February 17, 2011 (previously named the Continental Airlines, Inc. Incentive Plan 2010) (filed as Annex B to UAL's Definitive Proxy Statement filed April 26, 2013, Commission file number 1-6033, and incorporated herein by reference)

†10.27	UAL	First Amendment to the United Continental Holdings, Inc. Incentive Plan 2010, as amended and restated February 17, 2011 (filed as Annex B to UAL's 2013 Definitive Proxy Statement filed on April 26, 2013, Commission file number 1-6033, incorporated herein by reference)

†10.28	UAL	United Air Lines, Inc. Management Cash Direct & Cash Match Program (amended and restated effective January 1, 2016)

†10.29	UAL	United Continental Holdings, Inc. Executive Severance Plan (effective October 1, 2014) (filed as Exhibit 10.1 to UAL's Form 8-K filed June 20, 2014, Commission file number 1-6033, and incorporated herein by reference)

†10.30	UAL	United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.1 to UAL's Form 8-K filed on May 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.31	UAL	Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.32	UAL	Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.33	UAL	United Continental Holdings, Inc. Performance-Based RSU Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.8 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)



†10.34	UAL	First Amendment to the United Continental Holdings, Inc. Performance-Based RSU Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan)

†10.35	UAL	Form of Performance-Based RSU Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based RSU Program (Relative Pre-tax Margin awards) (stock settled form of award)

†10.36	UAL	Form of Performance-Based RSU Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based RSU Program (Relative Pre-tax Margin awards) (filed as Exhibit 10.9 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.37	UAL	United Continental Holdings, Inc. Annual Incentive Program (cash settled form of award) (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.63 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.38	UAL	Form of Annual Incentive Plan Award Notice pursuant to the United Continental Holdings, Inc. Annual Incentive Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.64 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.39	UAL	Description of Compensation and Benefits for United Continental Holdings, Inc. Non-Employee Directors

†10.40	UAL	United Continental Holdings, Inc. 2006 Director Equity Incentive Plan (as amended and restated, effective February 20, 2014, filed as Annex A to UAL's Definitive Proxy Statement filed April 25, 2014, Commission file number 1-6033, and incorporated herein by reference)

†10.41	UAL	First Amendment to the United Continental Holdings, Inc. 2006 Director Equity Incentive Plan (as amended and restated on February 20, 2014) (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended March 31, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.42	UAL	Form of Share Unit Award Notice pursuant to the United Continental Holdings, Inc. 2006 Director Equity Incentive Plan (for awards granted on or after June 2011) (filed as Exhibit 10.9 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference)

†10.43	UAL United	Amended and Restated A350-900 Purchase Agreement, dated September 1, 2017, including letter agreements related thereto, between Airbus S.A.S. and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

†10.44	UAL United	Purchase Agreement No. 1951, including exhibits and side letters thereto, dated July 23, 1996, by and among Continental and Boeing (filed as Exhibit 10.8 to Continental's Form 10-Q for the quarter ended June 30, 1996, Commission file number 1-10323, and incorporated herein by reference)

^10.45	UAL United	Supplemental Agreement No. 1 to Purchase Agreement No. 1951, dated October 10, 1996 (filed as Exhibit 10.14(a) to Continental's Form 10-K for the year ended December 31, 1996, Commission file number 1-10323, and incorporated herein by reference)

^10.46	UAL United	Supplemental Agreement No. 2 to Purchase Agreement No. 1951, dated March 5, 1997 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended March 31, 1997, Commission file number 1-10323 and incorporated herein by reference)

^10.47	UAL United	Supplemental Agreement No. 3, including exhibit and side letter, to Purchase Agreement No. 1951, dated July 17, 1997 (filed as Exhibit 10.14(c) to Continental's Form 10-K for the year ended December 31, 1997, Commission file number 1-10323, and incorporated herein by reference)

^10.48	UAL United	Supplemental Agreement No. 4, including exhibits and side letters, to Purchase Agreement No. 1951, dated October 10, 1997 (filed as Exhibit 10.14(d) to Continental's Form 10-K for the year ended December 31, 1997, Commission file number 1-10323, and incorporated herein by reference)

^10.49	UAL United	Supplemental Agreement No. 5, including exhibits and side letters, to Purchase Agreement No. 1951, dated October 10, 1997 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended June 30, 1998, Commission file number 1-10323, and incorporated herein by reference)



^10.50	UAL United	Supplemental Agreement No. 6, including exhibits and side letters, to Purchase Agreement No. 1951, dated July 30, 1998 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended September 30, 1998, Commission file number 1-10323, and incorporated herein by reference)

^10.51	UAL United	Supplemental Agreement No. 7, including side letters, to Purchase Agreement No. 1951, dated November 12, 1998 (filed as Exhibit 10.24(g) to Continental's Form 10-K for the year ended December 31, 1998, Commission file number 1-10323, and incorporated herein by reference)

^10.52	UAL United	Supplemental Agreement No. 8, including side letters, to Purchase Agreement No. 1951, dated December 7, 1998 (filed as Exhibit 10.24(h) to Continental's Form 10-K for the year ended December 31, 1998, Commission file number 1-10323, and incorporated herein by reference)

^10.53	UAL United	Letter Agreement No. 6-1162-GOC-131R1 to Purchase Agreement No. 1951, dated March 26, 1998 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 1998, Commission file number 1-10323, and incorporated herein by reference)

^10.54	UAL United	Supplemental Agreement No. 9, including side letters, to Purchase Agreement No. 1951, dated February 18, 1999 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended March 31, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.55	UAL United	Supplemental Agreement No. 10, including side letters, to Purchase Agreement No. 1951, dated March 19, 1999 (filed as Exhibit 10.4(a) to Continental's Form 10-Q for the quarter ended March 31, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.56	UAL United	Supplemental Agreement No. 11, including side letters, to Purchase Agreement No. 1951, dated March 14, 1999 (filed as Exhibit 10.7 to Continental's Form 10-Q for the quarter ended June 30, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.57	UAL United	Supplemental Agreement No. 12, including side letters, to Purchase Agreement No. 1951, dated July 2, 1999 (filed as Exhibit 10.8 to Continental's Form 10-Q for the quarter ended September 30, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.58	UAL United	Supplemental Agreement No. 13 to Purchase Agreement No. 1951, dated October 13, 1999 (filed as Exhibit 10.25(n) to Continental's Form 10-K for the year ended December 31, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.59	UAL United	Supplemental Agreement No. 14 to Purchase Agreement No. 1951, dated December 13, 1999 (filed as Exhibit 10.25(o) to Continental's Form 10-K for the year ended December 31, 1999, Commission file number 1-10323, and incorporated herein by reference)

^10.60	UAL United	Supplemental Agreement No. 15, including side letters, to Purchase Agreement No. 1951, dated January 13, 2000 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.61	UAL United	Supplemental Agreement No. 16, including side letters, to Purchase Agreement No. 1951, dated March 17, 2000 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.62	UAL United	Supplemental Agreement No. 17, including side letters, to Purchase Agreement No. 1951, dated May 16, 2000 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended June 30, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.63	UAL United	Supplemental Agreement No. 18, including side letters, to Purchase Agreement No. 1951, dated September 11, 2000 (filed as Exhibit 10.6 to Continental's Form 10-Q for the quarter ended September 30, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.64	UAL United	Supplemental Agreement No. 19, including side letters, to Purchase Agreement No. 1951, dated October 31, 2000 (filed as Exhibit 10.20(t) to Continental's Form 10-K for the year ended December 31, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.65	UAL United	Supplemental Agreement No. 20, including side letters, to Purchase Agreement No. 1951, dated December 21, 2000 (filed as Exhibit 10.20(u) to Continental's Form 10-K for the year ended December 31, 2000, Commission file number 1-10323, and incorporated herein by reference)

^10.66	UAL United	Supplemental Agreement No. 21, including side letters, to Purchase Agreement No. 1951, dated March 30, 2001 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 2001, Commission file number 1-10323, and incorporated herein by reference)



^10.67	UAL United	Supplemental Agreement No. 22, including side letters, to Purchase Agreement No. 1951, dated May 23, 2001 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2001, Commission file number 1-10323, and incorporated herein by reference)

^10.68	UAL United	Supplemental Agreement No. 23, including side letters, to Purchase Agreement No. 1951, dated June 29, 2001 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2001, Commission file number 1-10323, and incorporated herein by reference)

^10.69	UAL United	Supplemental Agreement No. 24, including side letters, to Purchase Agreement No. 1951, dated August 31, 2001 (filed as Exhibit 10.11 to Continental's Form 10-Q for the quarter ended September 30, 2001, Commission file number 1-10323, and incorporated herein by reference)

^10.70	UAL United	Supplemental Agreement No. 25, including side letters, to Purchase Agreement No. 1951, dated December 31, 2001 (filed as Exhibit 10.22(z) to Continental's Form 10-K for the year ended December 31, 2001, Commission file number 1-10323, and incorporated herein by reference)

^10.71	UAL United	Supplemental Agreement No. 26, including side letters, to Purchase Agreement No. 1951, dated March 29, 2002 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended March 31, 2002, Commission file number 1-10323, and incorporated herein by reference)

^10.72	UAL United	Supplemental Agreement No. 27, including side letters, to Purchase Agreement No. 1951, dated November 6, 2002 (filed as Exhibit 10.22(ab) to Continental's Form 10-K for the year ended December 31, 2002, Commission file number 1-10323, and incorporated herein by reference)

^10.73	UAL United	Supplemental Agreement No. 28, including side letters, to Purchase Agreement No. 1951, dated April 1, 2003 (filed as Exhibit 10.6 to Continental's Form 10-Q for the quarter ended March 31, 2003, Commission file number 1-10323, and incorporated herein by reference)

^10.74	UAL United	Supplemental Agreement No. 29, including side letters, to Purchase Agreement No. 1951, dated August 19, 2003 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended September 30, 2003, Commission file number 1-10323, and incorporated herein by reference)

^10.75	UAL United	Supplemental Agreement No. 30 to Purchase Agreement No. 1951, dated November 4, 2003 (filed as Exhibit 10.23(ae) to Continental's Form 10-K for the year ended December 31, 2003, Commission file number 1-10323, and incorporated herein by reference)

^10.76	UAL United	Supplemental Agreement No. 31 to Purchase Agreement No. 1951, dated August 20, 2004 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2004, Commission file number 1-10323, and incorporated herein by reference)

^10.77	UAL United	Supplemental Agreement No. 32, including side letters, to Purchase Agreement No. 1951, dated December 29, 2004 (filed as Exhibit 10.21(ag) to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference)

^10.78	UAL United	Supplemental Agreement No. 33, including side letters, to Purchase Agreement No. 1951, dated December 29, 2004 (filed as Exhibit 10.21(ah) to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference)

^10.79	UAL United	Supplemental Agreement No. 34 to Purchase Agreement No. 1951, dated June 22, 2005 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.80	UAL United	Supplemental Agreement No. 35 to Purchase Agreement No. 1951, dated June 30, 2005 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.81	UAL United	Supplemental Agreement No. 36 to Purchase Agreement No. 1951, dated July 28, 2005 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended September 30, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.82	UAL United	Supplemental Agreement No. 37 to Purchase Agreement No. 1951, dated March 30, 2006 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2006, Commission file number 1-10323, and incorporated herein by reference)

^10.83	UAL United	Supplemental Agreement No. 38 to Purchase Agreement No. 1951, dated June 6, 2006 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2006, Commission file number 1-10323, and incorporated herein by reference)

^10.84	UAL United	Supplemental Agreement No. 39 to Purchase Agreement No. 1951, dated August 3, 2006 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2006, Commission file number 1-10323, and incorporated herein by reference)



^10.85	UAL United	Supplemental Agreement No. 40 to Purchase Agreement No. 1951, dated December 5, 2006 (filed as Exhibit 10.23(ao) to Continental's Form 10-K for the year ended December 31, 2006, Commission file number 1-10323, and incorporated herein by reference)

^10.86	UAL United	Supplemental Agreement No. 41 to Purchase Agreement No. 1951, dated June 1, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended June 30, 2007, Commission file number 1-10323, and incorporated herein by reference)

^10.87	UAL United	Supplemental Agreement No. 42 to Purchase Agreement No. 1951, dated June 12, 2007 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended June 30, 2007, Commission file number 1-10323, and incorporated herein by reference)

^10.88	UAL United	Supplemental Agreement No. 43 to Purchase Agreement No. 1951, dated July 18, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended September 30, 2007, Commission file number 1-10323, and incorporated herein by reference)

^10.89	UAL United	Supplemental Agreement No. 44 to Purchase Agreement No. 1951, dated December 7, 2007 (filed as Exhibit 10.21(as) to Continental's Form 10-K for the year ended December 31, 2007, Commission file number 1-10323, and incorporated herein by reference)

^10.90	UAL United	Supplemental Agreement No. 45 to Purchase Agreement No. 1951, dated February 20, 2008 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2008, Commission file number 1-10323, and incorporated herein by reference)

^10.91	UAL United	Supplemental Agreement No. 46 to Purchase Agreement No. 1951, dated June 25, 2008 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended June 30, 2008, Commission file number 1-10323, and incorporated herein by reference)

^10.92	UAL United	Supplemental Agreement No. 47 to Purchase Agreement No. 1951, dated October 30, 2008 (filed as Exhibit 10.21(av) to Continental's Form 10-K for the year ended December 31, 2008, Commission file number 1-10323, and incorporated herein by reference)

^10.93	UAL United	Supplemental Agreement No. 48 to Purchase Agreement No. 1951, dated January 29, 2009 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.94	UAL United	Supplemental Agreement No. 49 to Purchase Agreement No. 1951, dated May 1, 2009 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.95	UAL United	Supplemental Agreement No. 50 to Purchase Agreement No. 1951, dated July 23, 2009 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.96	UAL United	Supplemental Agreement No. 51 to Purchase Agreement No. 1951, dated August 5, 2009 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.97	UAL United	Supplemental Agreement No. 52 to Purchase Agreement No. 1951, dated August 31, 2009 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.98	UAL United	Supplemental Agreement No. 53 to Purchase Agreement No. 1951, dated December 23, 2009 (filed as Exhibit 10.22(bb) to Continental's Form 10-K for the year ended December 31, 2009, Commission file number 1-10323, and incorporated herein by reference)

^10.99	UAL United	Supplemental Agreement No. 54 to Purchase Agreement No. 1951, dated March 2, 2010 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2010, Commission file number 1-10323, and incorporated herein by reference)

^10.100	UAL United	Supplemental Agreement No. 55 to Purchase Agreement No. 1951, dated March 31, 2010 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended March 31, 2010, Commission file number 1-10323, and incorporated herein by reference)

^10.101	UAL United	Supplemental Agreement No. 56 to Purchase Agreement No. 1951, dated August 12, 2010 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2010, Commission File Number 1-10323, and incorporated herein by reference)

^10.102	UAL United	Supplemental Agreement No. 57 to Purchase Agreement No. 1951, dated March 2, 2011 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2011, Commission file number 1-6033, and incorporated herein by reference)




^10.103	UAL United	Supplemental Agreement No. 58 to Purchase Agreement No. 1951, dated January 6, 2012 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.104	UAL United	Supplemental Agreement No. 59 to Purchase Agreement No. 1951, dated July 12, 2012 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.105	UAL United	Supplemental Agreement No. 60 to Purchase Agreement No. 1951, dated November 7, 2012 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.106	UAL United	Supplemental Agreement No. 61 to Purchase Agreement No. 1951, dated September 11, 2013 (filed as Exhibit 10.1 for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.107	UAL United	Supplemental Agreement No. 62 to Purchase Agreement No. 1951, dated January 14, 2015 (filed as Exhibit 10.3 for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

^10.108	UAL United	Supplemental Agreement No. 63 to Purchase Agreement No. 1951, dated May 26, 2015 (filed as Exhibit 10.1 for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.109	UAL United	Supplemental Agreement No. 64 to Purchase Agreement No. 1951, dated June 12, 2015 (filed as Exhibit 10.2 for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.110	UAL United	Aircraft General Terms Agreement, dated October 10, 1997, by and among Continental and Boeing (filed as Exhibit 10.15 to Continental's Form 10-K for the year ended December 31, 1997, Commission File Number 1-10323, and incorporated herein by reference)

^10.111	UAL United	Letter Agreement 6-1162-CHL-048, dated February 8, 2002, by and among Continental and Boeing (filed as Exhibit 10.44 to Continental's Form 10-K for the year ended December 31, 2001, Commission file number 1-10323, and incorporated herein by reference)

^10.112	UAL United	Purchase Agreement No. 2484, including exhibits and side letters, dated December 29, 2004, by and among Continental and Boeing (filed as Exhibit 10.27 to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference)

^10.113	UAL United	Supplemental Agreement No. 1 to Purchase Agreement No. 2484, dated June 30, 2005 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.114	UAL United	Supplemental Agreement No. 2, including exhibits and side letters, to Purchase Agreement No. 2484, dated January 20, 2006 (filed as Exhibit 10.27(b) to Continental's Form 10-K for the year ended December 31, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.115	UAL United	Supplemental Agreement No. 3 to Purchase Agreement No. 2484, dated May 3, 2006 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2006, Commission file number 1-10323, and incorporated herein by reference)

^10.116	UAL United	Supplemental Agreement No. 4 to Purchase Agreement No. 2484, dated July 14, 2006 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended September 30, 2006, Commission file number 1-10323, and incorporated herein by reference)

^10.117	UAL United	Supplemental Agreement No. 5 to Purchase Agreement No. 2484, dated March 12, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 2007, Commission file number 1-10323, and incorporated herein by reference)

^10.118	UAL United	Supplemental Agreement No. 6 to Purchase Agreement No. 2484, dated October 22, 2008 (filed as Exhibit 10.25(f) to Continental's Form 10-K for the year ended December 31, 2008, Commission file number 1-10323, and incorporated herein by reference)

^10.119	UAL United	Supplemental Agreement No. 7 to Purchase Agreement No. 2484, dated November 7, 2012 (filed as Exhibit 10.179 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference)



^10.120	UAL United	Supplemental Agreement No. 8 to Purchase Agreement No. 2484, dated June 17, 2013 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.121	UAL United	Supplemental Agreement No. 9 to Purchase Agreement No. 2484, dated June 6, 2014 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference)

^10.122	UAL United	Supplemental Agreement No. 10 to Purchase Agreement No. 2484, dated January 14, 2015 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

^10.123	UAL United	Supplemental Agreement No. 11 to Purchase Agreement No. 2484, dated April 30, 2015 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.124	UAL United	Amended and Restated Letter Agreement No. 11, dated August 8, 2005, by and among Continental and General Electric Company (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended September 30, 2005, Commission file number 1-10323, and incorporated herein by reference)

^10.125	UAL United	Purchase Agreement No. PA-03784, dated July 12, 2012, between The Boeing Company and United Air Lines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.126	UAL United	Supplemental Agreement No. 01 to Purchase Agreement No. PA-03784, dated September 27, 2012 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.127	UAL United	Supplemental Agreement No. 02 to Purchase Agreement Number PA-03784, dated March 1, 2013 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.128	UAL United	Supplemental Agreement No. 03 to Purchase Agreement Number PA-03784, dated June 27, 2013 (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.129	UAL United	Supplemental Agreement No. 04 to Purchase Agreement Number PA-03784, dated September 11, 2013 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.130	UAL United	Supplemental Agreement No. 05 to Purchase Agreement Number PA-03784, dated March 3, 2014 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033 and incorporated herein by reference)

^10.131	UAL United	Supplemental Agreement No. 06 to Purchase Agreement Number PA-03784, dated June 6, 2014 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference)

^10.132	UAL United	Supplemental Agreement No. 07 to Purchase Agreement Number PA-03784, dated May 26, 2015 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323 and incorporated herein by reference)

^10.133	UAL United	Supplemental Agreement No. 08 to Purchase Agreement Number PA-03784, dated June 12, 2015 (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323 and incorporated herein by reference)

^10.134	UAL United	Supplemental Agreement No. 9 to Purchase Agreement No. 03784, dated January 20, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.135	UAL United	Supplemental Agreement No. 10 to Purchase Agreement No. 03784, dated February 8, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.136	UAL United	Supplemental Agreement No. 11 to Purchase Agreement Number No. 03784, dated March 7, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)




^10.137	UAL United	Supplemental Agreement No. 12 to Purchase Agreement No. 03784, dated June 24, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.138	UAL United	Supplemental Agreement No. 13 to Purchase Agreement No. 03784, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.174 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.139	UAL United	Purchase Agreement No. PA-03776, dated July 12, 2012, between The Boeing Company and United Continental Holdings, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.140	UAL United	Supplemental Agreement No. 01 to Purchase Agreement No. 03776, dated June 17, 2013 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.141	UAL United	Purchase Agreement Assignment to Purchase Agreement No. 03776, dated October 23, 2013, between United Continental Holdings, Inc. and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.142	UAL United	Supplemental Agreement No. 02 to Purchase Agreement No. 03776, dated January 14, 2015 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

^10.143	UAL United	Supplemental Agreement No. 03 to Purchase Agreement No. 03776, dated May 26, 2015 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.144	UAL United	Supplemental Agreement No. 04 to Purchase Agreement No. 03776, dated June 12, 2015 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.145	UAL United	Supplemental Agreement No. 5 to Purchase Agreement No. 03776, dated January 20, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.146	UAL United	Supplemental Agreement No. 6 to Purchase Agreement No. 03776, dated February 8, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.147	UAL United	Supplemental Agreement No. 7 to Purchase Agreement No. 03776, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.183 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.148	UAL United	Supplemental Agreement No. 8, including exhibits and side letters, to Purchase Agreement No. 03776, dated June 7, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

^10.149	UAL United	Supplemental Agreement No. 9, including exhibits and side letters, to Purchase Agreement No. 03776, dated June 15, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

^10.150	UAL United	Supplemental Agreement No. 10, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of May 15, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference)

^10.151	UAL United	Supplemental Agreement No. 11, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of September 25, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2018, Commission file number 1-6033, and incorporated herein by reference)



^10.152	UAL United	Supplemental Agreement No. 12, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of December 12, 2018, between The Boeing Company and United Airlines, Inc.

^10.153	UAL United	Letter Agreement No. 6-1162-KKT-080, dated July 12, 2012, among Boeing, United Continental Holdings, Inc., United Air Lines, Inc., and Continental Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.154	UAL United	Purchase Agreement No. 3860, dated September 27, 2012, between Boeing and United Air Lines, Inc. (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference)

^10.155	UAL United	Supplemental Agreement No. 1 to Purchase Agreement No. 3860, dated June 17, 2013 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference)

^10.156	UAL United	Supplemental Agreement No. 2 to Purchase Agreement No. 3860, dated December 16, 2013 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference)

^10.157	UAL United	Supplemental Agreement No. 3 to Purchase Agreement No. 3860, dated as of July 22, 2014 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2014, Commission file number 1-6033, and incorporated herein by reference)

^10.158	UAL United	Supplemental Agreement No. 4 to Purchase Agreement No. 3860, dated as of January 14, 2015 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

^10.159	UAL United	Supplemental Agreement No. 5 to Purchase Agreement No. 3860, dated as of April 30, 2015 (filed as Exhibit 10.8 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference)

^10.160	UAL United	Supplemental Agreement No. 6 to Purchase Agreement No. 3860, dated as of December 31, 2015 (filed as Exhibit 10.178 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033, and incorporated herein by reference)

^10.161	UAL United	Supplemental Agreement No. 7 to Purchase Agreement No. 3860, dated March 7, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.162	UAL United	Letter Agreement to Purchase Agreement No. 3860, dated May 5, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.163	UAL United	Supplemental Agreement No. 8, including exhibits and side letters, to Purchase Agreement No. 3860, Dated June 15, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference)

^10.164	UAL United	Letter Agreement No. UAL-LA-1604287 to Purchase Agreement Nos. 3776, 3784 and 3860, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.194 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference)

^10.165	UAL United	Supplemental Agreement No. 9, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of May 31, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference)

^10.166	UAL United	Supplemental Agreement No. 10, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of November 1, 2018, between The Boeing Company and United Airlines, Inc.

^10.167	UAL United	Supplemental Agreement No. 11, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of December 12, 2018, between The Boeing Company and United Airlines, Inc.



10.168	UAL United	Amended and Restated Credit and Guaranty Agreement, dated as of March 29, 2017, among United Airlines, Inc., as borrower, United Continental Holdings, Inc., as parent and a guarantor, the subsidiaries of United Continental Holdings, Inc. from time to time party thereto other than the borrower party thereto from time to time, as guarantors, the lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as administrative agent (filed as Exhibit 10.1 to UAL's Form 8-K filed April 3, 2017, Commission file number 1-6033, and incorporated herein by reference)

10.169	UAL United	First Amendment, dated as of November 15, 2017, to Amended and Restated Credit Guaranty Agreement (filed as Exhibit 10.219 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference)

10.170	UAL United	Second Amendment, dated as of May 16, 2018, to Amended and Restated Credit Guaranty Agreement filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference)

		List of Subsidiaries

21	UAL United	List of United Continental Holdings, Inc. and United Airlines, Inc. Subsidiaries

		Consents of Experts and Counsel

23.1	UAL	Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for United Continental Holdings, Inc.

23.2	United	Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for United Airlines, Inc.

		Rule 13a-14(a)/15d-14(a) Certifications

31.1	UAL	Certification of the Principal Executive Officer of United Continental Holdings, Inc. pursuant to 15 U.S.C. 78m(a) or 78o(d) (Section 302 of the Sarbanes-Oxley Act of 2002)

31.2	UAL	Certification of the Principal Financial Officer of United Continental Holdings, Inc. pursuant to 15 U.S.C. 78m(a) or 78o(d) (Section 302 of the Sarbanes-Oxley Act of 2002)

31.3	United	Certification of the Principal Executive Officer of United Airlines, Inc. pursuant to 15 U.S.C. 78m(a) or 78o(d) (Section 302 of the Sarbanes-Oxley Act of 2002)

31.4	United	Certification of the Principal Financial Officer of United Airlines, Inc. pursuant to 15 U.S.C. 78m(a) or 78o(d) (Section 302 of the Sarbanes-Oxley Act of 2002)

		Section 1350 Certifications

32.1	UAL	Certification of the Chief Executive Officer and Chief Financial Officer of United Continental Holdings, Inc. pursuant to 18 U.S.C. 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)

32.2	United	Certification of the Chief Executive Officer and Chief Financial Officer of United Airlines, Inc. pursuant to 18 U.S.C. 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)

		Interactive Data File

101	UAL United	The following materials from each of United Continental Holdings, Inc.'s and United Airlines, Inc.'s Annual Reports on Form 10-K for the year ended December 31, 2018, formatted in XBRL (Extensible Business Reporting Language): (i) the Statements of Consolidated Operations, (ii) the Statements of Consolidated Comprehensive Income (Loss), (iii) the Consolidated Balance Sheets, (iv) the Statements of Consolidated Cash Flows, (v) the Statements of Consolidated Stockholders' Equity (Deficit) and (vi) the Combined Notes to Consolidated Financial Statements.


†	Indicates management contract or compensatory plan or arrangement. Pursuant to Item 601(b)(10), United is permitted to omit certain compensation-related exhibits from this report and therefore only UAL is identified as the registrant for purposes of those items.


^	Confidential portion of this exhibit has been omitted and filed separately with the SEC pursuant to a request for confidential treatment.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.




		UNITED CONTINENTAL HOLDINGS, INC. UNITED AIRLINES, INC. (Registrants)

	By:	/s/ Gerald Laderman
		Gerald Laderman
		Executive Vice President and Chief Financial Officer

Date: February 28, 2019

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of United Continental Holdings, Inc. and in the capacities and on the date indicated.



Signature	Capacity

/s/ Oscar Munoz	Chief Executive Officer, Director
Oscar Munoz	(Principal Executive Officer)

/s/ Gerald Laderman	Executive Vice President and Chief Financial Officer
Gerald Laderman	(Principal Financial Officer)

/s/ Chris Kenny	Vice President and Controller
Chris Kenny	(Principal Accounting Officer)

/s/ Carolyn Corvi	Director
Carolyn Corvi

/s/ Jane C. Garvey	Director
Jane C. Garvey

/s/ Barney Harford	Director
Barney Harford

/s/ Michele J. Hooper	Director
Michele J. Hooper

/s/ Todd M. Insler	Director
Todd M. Insler



/s/ Walter Isaacson	Director
Walter Isaacson

/s/ James A.C. Kennedy	Director
James A.C. Kennedy

	Director
William R. Nuti

/s/ Sito Pantoja	Director
Sito Pantoja

/s/ Edward M. Philip	Director
Edward M. Philip

/s/ Edward L. Shapiro	Director
Edward L. Shapiro

/s/ David J. Vitale	Director
David J. Vitale

/s/ James M. Whitehurst	Director
James M. Whitehurst



Date:	February 28, 2019

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of United Airlines, Inc. and in the capacities and on the date indicated.



Signature	Capacity

/s/ Oscar Munoz	Chief Executive Officer, Director
Oscar Munoz	(Principal Executive Officer)

/s/ Gerald Laderman	Executive Vice President and Chief Financial Officer, Director
Gerald Laderman	(Principal Financial Officer)

/s/ Chris Kenny	Vice President and Controller
Chris Kenny	(Principal Accounting Officer)

/s/ Gregory L. Hart	Director
Gregory L. Hart

/s/ J. Scott Kirby	Director
J. Scott Kirby

Date: February 28, 2019

Schedule II

Valuation and Qualifying Accounts

For the Years Ended December 31, 2018, 2017 and 2016



(In millions) Description	Balance at Beginning of Period		Additions Charged to Costs and Expenses		Deductions (a)		Other		Balance at End of Period
Allowance for doubtful accounts:
2018	$	7	$	17	$	16	$	—	$	8
2017	10		20		23		—		7
2016	18		18		26		—		10
Obsolescence allowance—spare parts:
2018	$	354	$	73	$	15	$	—	$	412
2017	295		75		17		1		354
2016	235		61		16		15		295
Valuation allowance for deferred tax assets:
2018	$	63	$	2	$	6	$	—	$	59
2017	68		11		27		11		63
2016	48		47		27		—		68

(a) Deduction from reserve for purpose for which reserve was created.

Previous: Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.