Mark G Whittenburg

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
16 Jan 25	CNM Core & Main	Class A Common Stock	Sell	Dispose S	No	Yes	55.1297	48,026	2.65 mm	7,667
16 Jan 25	CNM Core & Main	Class A Common Stock	Conversion	Acquire C	No	No	0	48,026	0.00	55,693
16 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Conversion	Dispose C	No	No	0	48,026	0.00	0
16 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Other	Acquire J	No	No	0	48,026	0.00	48,026
16 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Other	Dispose J	Yes	No	0	48,026	0.00	302,812
15 Jan 25	CNM Core & Main	Class A Common Stock	Sell	Dispose S	No	Yes	55.2858	1,974	109.13 k	7,667
15 Jan 25	CNM Core & Main	Class A Common Stock	Conversion	Acquire C	No	No	0	1,974	0.00	9,641
15 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Conversion	Dispose C	No	No	0	1,974	0.00	0
15 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Other	Acquire J	No	No	0	1,974	0.00	1,974
15 Jan 25	CNM Core & Main	Class B Common Stock and Limited Partnership Interests Class A Common Stock	Other	Dispose J	Yes	No	0	1,974	0.00	350,838

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.