Item 1A. RISK FACTORS

No material changes.

**ITEM 2.**UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Issuer Purchases of Equity Securities.

Issuer Purchases of Equity Securities
	(a)	(b)		(c)	(d)
					Maximum Number (or
				Total Number of	Approximate Dollar
				Shares (or Units)	Value) of Shares (or
				Purchased as Part	Units) that May Yet
	Total Number of			of Publicly	Be Purchased Under
	Shares (or Units)	Average Price Paid		Announced Plans or	the Plans or
Period	Purchased	per Share (or Unit)		Programs	Programs (1)
January 1 - 31, 2022	-	$	-	-	1,470,181
February 1 - 28, 2022	44,455	$	299.5577	-	1,470,181
March 1 - 31, 2022	11,175	$	269.9151	5,000	1,465,181
Total	55,630	$	-	5,000	1,465,181

(1)On May 22, 2020, the Company’s executive committee of the Board of Directors approved an amendment to the share repurchase program authorizing the Company and/or its subsidiary Holdings, to purchase up to a current aggregate of 32.0 million of the Company’s shares (recognizing that the number of shares authorized for repurchase has been reduced by those shares that have already been purchased) in open market transactions, privately negotiated transactions or both. Currently, the Company and/or its subsidiary Holdings have repurchased 30.5 million of the Company’s shares.

**ITEM 3.**DEFAULTS UPON SENIOR SECURITIES

None.

**ITEM 4.**MINE SAFETY DISCLOSURES

Not applicable.

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