Item 15. Exhibits, Financial Statement Schedules.

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Item 15. Exhibits, Financial Statement Schedules.

(a) The consolidated financial statements and exhibits listed below are filed as part of this report.

(1) The Company’s consolidated financial statements, the notes thereto and the report of the Independent Registered Public Accounting Firm are on pages 39 through 88 of this report.

(2) Financial statement schedules have been omitted because they are not applicable, not required, or the required information is included in the consolidated financial statements or notes thereto.

(3) Exhibits.

Exhibit NumberDescription*
2(a)Separation and Distribution Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa Corporation, incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(b)Tax Matters Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa Corporation, incorporated by reference to Exhibit 2.3 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(c)Employee Matters Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa Corporation, incorporated by reference to Exhibit 2.4 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(c)(1)Amendment No. 1, dated December 13, 2016, to Employee Matters Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa Corporation, incorporated by reference to Exhibit 2(e)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
2(d)Alcoa Corporation to Arconic Inc. Patent, Know-How, and Trade Secret License Agreement, dated as of October 31, 2016, by and between Alcoa USA Corp. and Arconic Inc., incorporated by reference to Exhibit 2.5 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(d)(1)First Amendment, effective as of November 1, 2016, to the Patent, Know-How and Trade Secret License Agreement by and between Alcoa USA Corp. and Arconic Inc.
2(d)(2)Second Amendment, effective as of November 1, 2016, to the Patent, Know-How and Trade Secret License Agreement by and between Alcoa USA Corp. and Arconic Inc.
2(e)Arconic Inc. to Alcoa Corporation Patent, Know-How, and Trade Secret License Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa USA Corp., incorporated by reference to Exhibit 2.6 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(f)Amended and Restated Alcoa Corporation to Arconic Inc. Trademark License Agreement, dated as of June 25, 2017, by and between Alcoa USA Corp. and Arconic Inc., incorporated by reference to Exhibit 2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2017.
2(g)[Reserved]
2(h)Massena Lease and Operations Agreement, dated as of October 31, 2016, by and between Arconic Inc. and Alcoa Corporation, incorporated by reference to Exhibit 2.10 to the Company’s Current Report on Form 8-K dated November 4, 2016.
2(i)Agreement and Plan of Merger, dated October 12, 2017, by and between Arconic Inc., a Pennsylvania corporation, and Arconic Inc., a Delaware corporation, incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K dated January 4, 2018.
2(j)Separation and Distribution Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(k)Tax Matters Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.2 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(l)Employee Matters Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.3 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(l)(1)First Amendment to Employee Matters Agreement, dated as of April 10, 2020, by and between Howmet Aerospace Inc. and Arconic Corporation, incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed on April 13, 2020.
2(m)Patent, Know-How, and Trade Secret License Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.4 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(m)(1)Amendment No. 1, effective as of August 25, 2020, to Patent, Know-How, and Trade Secret License Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation.
2(n)Patent, Know-How, and Trade Secret License Agreement, dated as of March 31, 2020, by and between Arconic Rolled Products Corporation and Arconic Inc., incorporated by reference to Exhibit 2.5 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(o)Trademark License Agreement, dated as of March 31, 2020, by and between Arconic Rolled Products Corporation and Arconic Inc., incorporated by reference to Exhibit 2.6 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(p)Trademark License Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.7 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(q)Master Agreement for Product Supply, dated as of March 31, 2020, by and between Arconic Massena LLC, Arconic Lafayette LLC, Arconic Davenport LLC and Arconic Inc., incorporated by reference to Exhibit 2.8 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(r)Second Supplemental Tax and Project Certificate and Agreement, dated as of March 31, 2020, by and among Arconic Inc., Arconic Davenport LLC and Arconic Rolled Products Corporation, incorporated by reference to Exhibit 2.9 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(s)Lease and Property Management Agreement, dated as of March 31, 2020, by and between Arconic Inc. and Arconic Massena LLC, incorporated by reference to Exhibit 2.10 to the Company's Current Report on Form 8-K filed on April 6, 2020.
2(t)Metal Supply & Tolling Agreement by and between Arconic-Köfém Mill Products Hungary Kft and Arconic-Köfém Kft, dated January 1, 2020, incorporated by reference to Exhibit 2(t) to the Company's Annual Report on Form 10-K for the year ended December 31, 2020.
3(a)Certificate of Incorporation of Howmet Aerospace Inc., a Delaware corporation, incorporated by reference to Exhibit 3(a) to the Company's Annual Report on Form 10-K for the year ended December 31, 2020.
3(b)Bylaws of Howmet Aerospace Inc., a Delaware corporation, incorporated by reference to Exhibit 3(b) to the Company's Annual Report on Form 10-K for the year ended December 31, 2020.
4(a)Form of Certificate for Shares of Common Stock of Arconic Inc., a Delaware corporation, incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K dated January 4, 2018.
4(b)Bylaws. See exhibit 3(b) above.
4(c)Form of Indenture, dated as of September 30, 1993, between Alcoa Inc. and The Bank of New York Trust Company, N.A., as successor to J. P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National Association), as successor Trustee to PNC Bank, National Association, as Trustee (undated form of Indenture incorporated by reference to Exhibit 4(a) to Registration Statement No. 33-49997 on Form S-3).
4(c)(1)First Supplemental Indenture, dated as of January 25, 2007, between Alcoa Inc. and The Bank of New York Trust Company, N.A., as successor to J.P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National Association), as successor Trustee to PNC Bank, National Association, as Trustee, incorporated by reference to Exhibit 99.4 to the Company’s Current Report on Form 8-K dated January 25, 2007.
4(c)(2)Second Supplemental Indenture, dated as of July 15, 2008, between Alcoa Inc. and The Bank of New York Mellon Trust Company, N.A., as successor in interest to J. P. Morgan Trust Company, National Association (formerly Chase Manhattan Trust Company, National Association, as successor to PNC Bank, National Association), as Trustee, incorporated by reference to Exhibit 4(c) to the Company’s Current Report on Form 8-K dated July 15, 2008.
4(c)(3)Fourth Supplemental Indenture, dated as of December 31, 2017, between Arconic Inc., a Pennsylvania corporation, Arconic Inc., a Delaware corporation, and The Bank of New York Mellon Trust Company, N.A., as trustee, incorporated by reference to Exhibit 4.3 to the Company’s Current Report on Form 8-K dated January 4, 2018.
4(c)(4)Fifth Supplemental Indenture, dated as of April 16, 2020, between Howmet Aerospace Inc., a Delaware corporation, and The Bank of New York Mellon Trust Company, N.A., as trustee, incorporated by reference to Exhibit 4(e) to the Company’s Registration Statement on Form S-3 (Registration Statement No. 333-237705) dated April 16, 2020.
4(d)Form of 6.75% Bonds Due 2028, incorporated by reference to Exhibit 4(d) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
4(e)Form of 5.90% Notes Due 2027, incorporated by reference to Exhibit 4(e) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2008.
4(f)Form of 5.95% Notes Due 2037, incorporated by reference to Exhibit 4(f) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2008.
4(g)Form of 5.125% Notes Due 2024, incorporated by reference to Exhibit 4.5 to the Company’s Current Report on Form 8-K dated September 22, 2014.
4(h)Form of 6.875% Notes due 2025, incorporated by reference to Exhibit 4.6 to the Company’s Current Report on Form 8-K dated April 24, 2020.
4(i)Form of 3.000% Notes due 2029, incorporated by reference to Exhibit 4.6 to the Company’s Current Report on Form 8-K dated September 1, 2021.
4(j)Description of Arconic Inc.'s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934, incorporated by reference to Exhibit 4(p) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.
10(a)Amended and Restated Five-Year Revolving Credit Agreement, dated as of September 28, 2021, among Howmet Aerospace Inc., the lenders and issuers named therein, Citibank, N.A., as administrative agent, and JPMorgan Chase Bank, N.A., as syndication agent, incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated September 28, 2021.
10(b)Agreement, dated February 1, 2016, by and between Elliott Associates, L.P., Elliott International, L.P., Elliott International Capital Advisors Inc. and Alcoa Inc., incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated February 1, 2016.
10(c)Settlement Agreement, dated as of May 22, 2017, by and among Elliott Associates, L.P., Elliott International, L.P., Elliott International Capital Advisors Inc. and Arconic Inc., incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated May 22, 2017 (reporting an event on May 21, 2017).
10(d)Letter Agreement, by and among Arconic Inc. and Elliott Associates, L.P., Elliott International, L.P. and Elliott International Capital Advisors Inc., dated as of December 19, 2017, incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated December 19, 2017.
10(e)Registration Rights Agreement, by and among Arconic Inc. and Elliott Associates, L.P., Elliott International, L.P. and Elliott International Capital Advisors Inc., dated as of December 19, 2017, incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K dated December 19, 2017.
10(e)(1)Amendment to Registration Rights Agreement, by and among Arconic Inc. and Elliott Associates, L.P., Elliott International, L.P. and Elliott International Capital Advisors Inc., dated as of February 2, 2018, incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated February 6, 2018.
10(f)Howmet Aerospace Inc. 2020 Annual Cash Incentive Plan (formerly known as the Arconic Inc. 2020 Annual Cash Incentive Plan), incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated December 10, 2019.
10(g)Howmet Aerospace Hourly Retirement Savings Plan, as Amended and Restated, effective January 1, 2021.
10(g)(1)First Amendment, effective January 1, 2022, to the Howmet Aerospace Hourly Retirement Savings Plan, as Amended and Restated.
10(g)(2)Howmet Aerospace Salaried Retirement Savings Plan, as Amended and Restated effective January 1, 2021.
10(g)(3)Howmet Aerospace Niles Bargaining Retirement Savings Plan, as Amended and Restated, effective January 1, 2021.
10(h)Howmet Aerospace Excess Benefits Plan C (formerly known as the Arconic Employees’ Excess Benefits Plan C), as amended and restated effective August 1, 2016, incorporated by reference to Exhibit 10(j) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(h)(1)First Amendment to Howmet Aerospace Excess Benefits Plan C (formerly known as the Arconic Employees’ Excess Benefits Plan C), effective January 1, 2018, incorporated by reference to Exhibit 10(l)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(h)(2)Second Amendment to Howmet Aerospace Excess Benefits Plan C (formerly known as the Arconic Employees’ Excess Benefits Plan C), effective January 1, 2018, incorporated by reference to Exhibit 10(l)(2) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(h)(3)Third Amendment to Howmet Aerospace Excess Benefits Plan C (formerly known as the Arconic Employees’ Excess Benefits Plan C), effective March 31, 2018. incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated January 8, 2018.
10(i)Deferred Fee Plan for Directors, as amended effective July 9, 1999, incorporated by reference to Exhibit 10(g)(1) to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 1999.
10(j)Amended and Restated Deferred Fee Plan for Directors, effective April 1, 2020, incorporated by reference to Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2020.
10(k)Non-Employee Director Compensation Policy, effective April 1, 2020, incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2020.
10(l)Fee Continuation Plan for Non-Employee Directors, incorporated by reference to Exhibit 10(k) to the Company’s Annual Report on Form 10-K for the year ended December 31, 1989.
10(l)(1)Amendment to Fee Continuation Plan for Non-Employee Directors, effective November 10, 1995, incorporated by reference to Exhibit 10(i)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 1995.
10(l)(2)Second Amendment to the Fee Continuation Plan for Non-Employee Directors, effective September 15, 2006, incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K dated September 20, 2006.
10(m)Howmet Aerospace Deferred Compensation Plan (formerly known as the Arconic Deferred Compensation Plan), as amended and restated effective August 1, 2016, incorporated by reference to Exhibit 10(p) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(m)(1)First Amendment to the Howmet Aerospace Deferred Compensation Plan (formerly known as the Arconic Deferred Compensation Plan), effective January 1, 2018, incorporated by reference to Exhibit 10(r)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(n)Summary of the Executive Split Dollar Life Insurance Plan, dated November 1990, incorporated by reference to Exhibit 10(m) to the Company’s Annual Report on Form 10-K for the year ended December 31, 1990.
10(o)Amended and Restated Dividend Equivalent Compensation Plan, effective January 1, 1997, incorporated by reference to Exhibit 10(h) to the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2004.
10(p)Form of Indemnity Agreement between the Company and individual directors or officers, incorporated by reference to Exhibit 10(j) to the Company’s Annual Report on Form 10-K for the year ended December 31, 1987.
10(q)Form of Indemnification Agreement between the Company and individual directors or officers, incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K dated January 25, 2018.
10(r)Amended and Restated 2009 Alcoa Stock Incentive Plan, dated February 15, 2011, incorporated by reference to Exhibit 10(z)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.
10(s)Howmet Aerospace Supplemental Pension Plan for Senior Executives (formerly known as the Arconic Supplemental Pension Plan for Senior Executives), as amended and restated effective August 1, 2016, incorporated by reference to Exhibit 10(v) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(s)(1)First Amendment to Howmet Aerospace Supplemental Pension Plan for Senior Executives (formerly known as the Arconic Supplemental Pension Plan for Senior Executives), effective January 1, 2018, incorporated by reference to Exhibit 10(x)(1) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(s)(2)Second Amendment to Howmet Aerospace Supplemental Pension Plan for Senior Executives (formerly known as the Arconic Supplemental Pension Plan for Senior Executives), effective January 1, 2018, incorporated by reference to Exhibit 10(x)(2) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(t)Deferred Fee Estate Enhancement Plan for Directors, effective July 10, 1998, incorporated by reference to Exhibit 10(r) to the Company’s Annual Report on Form 10-K for the year ended December 31, 1998.
10(u)Howmet Aerospace Inc. Change in Control Severance Plan, as Amended and Restated, effective September 17, 2021, incorporated by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K filed on September 23, 2021.
10(v)Howmet Aerospace Inc. Executive Severance Plan, as Amended and Restated, effective September 17, 2021, incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on September 23, 2021.
10(w)Letter Agreement, by and between Arconic Inc. and Michael N. Chanatry, dated as of March 20, 2018.
10(x)Letter Agreement, from Arconic Inc. to Ken Giacobbe, dated as of February 14, 2019, incorporated by reference to Exhibit 10(hh) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.
10(y)Letter Agreement, by and between Arconic Inc. and John C. Plant, dated as of February 6, 2019, incorporated by reference to Exhibit 10(a) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019.
10(z)Letter Agreement, by and between Arconic Inc. and John C. Plant, dated as of August 1, 2019, incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated August 2, 2019.
10(aa)Letter Agreement, by and between Arconic Inc. and John C. Plant, dated as of February 24, 2020, incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K dated February 25, 2020.
10(bb)Letter Agreement between Howmet Aerospace Inc. and John C. Plant, dated as of June 9, 2020, incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on June 12, 2020.
10(cc)Letter Agreement, by and between Howmet Aerospace Inc. and John C. Plant, dated as of October 14, 2021, incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on October 14, 2021.
10(dd)Letter Agreement, by and between Arconic Inc. and Neil E. Marchuk, dated as of February 13, 2019, incorporated by reference to Exhibit 10(c) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019.
10(ee)Letter Agreement between Arconic Inc. and Tolga Oal, dated as of February 24, 2020, incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K dated February 25, 2020.
10(ff)Howmet Aerospace Global Pension Plan (formerly known as the Arconic Global Pension Plan), as amended and restated effective August 1, 2016, incorporated by reference to Exhibit 10(bb) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(gg)Howmet Aerospace Inc. Legal Fee Reimbursement Plan (formerly known as the Arconic Inc. Legal Fee Reimbursement Plan), effective as of April 30, 2018, incorporated by reference to Exhibit 10(b) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2018.
10(hh)2013 Howmet Aerospace Stock Incentive Plan, as Amended and Restated, effective September 30, 2020, incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.
10(ii)Terms and Conditions for Stock Options, effective January 1, 2011, incorporated by reference to Exhibit 10(c) to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2011.
10(jj)Terms and Conditions for Stock Option Awards, effective May 3, 2013, incorporated by reference to Exhibit 10(b) to the Company’s Current Report on Form 8-K dated May 8, 2013.
10(kk)Terms and Conditions for Stock Option Awards under the 2013 Howmet Aerospace Stock Incentive Plan, effective July 22, 2016, incorporated by reference to Exhibit 10(d) to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2016.
10(ll)Global Stock Option Award Agreement, effective January 19, 2018, incorporated by reference to Exhibit 10(uu) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(mm)Form of Stock Option Award Agreement, incorporated by reference to Exhibit 10(f) to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018.
10(nn)Terms and Conditions for Restricted Share Units for Annual Director Awards under the 2013 Howmet Aerospace Stock Incentive Plan, effective November 30, 2016, incorporated by reference to Exhibit 10(vv) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(oo)Terms and Conditions for Restricted Share Units for Annual Director Awards under the 2013 Howmet Aerospace Stock Incentive Plan, as Amended and Restated, effective December 5, 2017, incorporated by reference to Exhibit 10(a) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2018.
10(pp)Terms and Conditions for Deferred Fee Restricted Share Units for Director Awards under the 2013 Howmet Aerospace Stock Incentive Plan, effective November 30, 2016, incorporated by reference to Exhibit 10(ww) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.
10(qq)Global Restricted Share Unit Award Agreement, effective January 19, 2018, incorporated by reference to Exhibit 10(eee) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(rr)Terms and Conditions for Restricted Share Units issued on or after January 19, 2018, under the 2013 Howmet Aerospace Stock Incentive Plan, effective January 19, 2018, incorporated by reference to Exhibit 10(fff) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
10(ss)Form of Restricted Share Unit Award Agreement, incorporated by reference to Exhibit 10(g) to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018.
10(tt)Restricted Share Unit Award Agreement - Executive Vice President, Human Resources (Neil E. Marchuk) Annual Equity Award, effective March 15, 2019, incorporated by reference to Exhibit 10(f) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019.
10(uu)Restricted Share Unit Award Agreement - Executive Vice President, Human Resources (Neil E. Marchuk) Sign-on Equity Award, effective March 15, 2019, incorporated by reference to Exhibit 10(g) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2019.
10(vv)Global Restricted Share Unit Award Agreement, effective September 30, 2020, incorporated by reference to Exhibit 10.4 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.
10(ww)Global Stock Option Award Agreement, effective September 30, 2020, incorporated by reference to Exhibit 10.5 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.
10(xx)Global Special Retention Award Agreement, effective September 30, 2020, incorporated by reference to Exhibit 10.6 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.
10(yy)Terms and Conditions for Restricted Share Units, effective September 30, 2020, incorporated by reference to Exhibit 10.7 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.
10(zz)Form of Confidentiality, Non-Competition, and Non-Solicitation Agreement, incorporated by reference to Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q (Commission file number 1-3610) for the quarter ended June 30, 2021.
10(aaa)Letter Agreement, by and between Howmet Aerospace Inc. and Lola Lin, dated as of May 5, 2021, incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (Commission file number 1-3610) for the quarter ended June 30, 2021.
10(bbb)Restricted Share Unit Award Agreement - Annual Equity Award for Lola Lin, effective July 15, 2021 incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q (Commission file number 1-3610) for the quarter ended June 30, 2021.
10(ccc)Restricted Share Unit Award Agreement - Sign-On Equity Award for Lola Lin, effective July 15, 2021 incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q (Commission file number 1-3610) for the quarter ended June 30, 2021
21Subsidiaries of the Registrant.
23Consent of Independent Registered Public Accounting Firm.
24Power of Attorney.
31Certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101. INSInline XBRL Instance Document.
101. SCHInline XBRL Taxonomy Extension Schema Document.
101. CALInline XBRL Taxonomy Extension Calculation Linkbase Document.
101. DEFInline XBRL Taxonomy Extension Definition Linkbase Document.
101. LABInline XBRL Taxonomy Extension Label Linkbase Document.
101. PREInline XBRL Taxonomy Extension Presentation Linkbase Document.
104The cover page of this Annual Report on Form 10-K for the year ended December 31, 2021 (formatted in Inline XBRL and contained in Exhibit 101).
  • Exhibit Nos. 10(f) through 10(ccc) are management contracts or compensatory plans required to be filed as Exhibits to this Form 10-K.

Amendments and modifications to other Exhibits previously filed have been omitted when in the opinion of the registrant such Exhibits as amended or modified are no longer material or, in certain instances, are no longer required to be filed as Exhibits.

Certain instruments defining the rights of holders of long-term debt securities of the Registrant and its subsidiaries are omitted pursuant to Item 601(b)(4)(iii) of Regulation S-K. The Registrant hereby undertakes to furnish to the SEC, upon request, copies of any such instruments.

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