Bender Mark A. – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
OGS	Bender Mark A.	See Remarks	Feb 16 '26	Option Exercise	39.49	5,876	232,079	29,851	Feb 19 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 14 '26	Option Exercise	45.40	1,683	76,366	29,470	Feb 19 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 18 '25	Option Exercise	28.63	7,041	201,548	27,276	Feb 20 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 19 '24	Option Exercise	10.98	5,458	59,950	25,286	Feb 21 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 20 '23	Option Exercise	36.26	5,603	203,167	24,506	Feb 22 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 21 '22	Option Exercise	38.77	7,203	279,288	23,349	Feb 23 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 15 '21	Option Exercise	40.60	9,472	384,602	21,764	Feb 17 12:00 AM
OGS	Bender Mark A.	See Remarks	Feb 17 '20	Option Exercise	56.96	10,539	600,254	19,084	Feb 19 12:00 AM

Insider Trading & Congressional Trades