MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Blackstone Inc.'s Holding History (CIK: 0001393818)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 363,924 Value ($000) $79,106 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 320,000 Value ($000) $68,099 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 350,000 Value ($000) $59,651 Avg Close $144.03 Range $99.70 - $172.71

Q1 2025

Shares 315,000 Value ($000) $36,764 Avg Close $134.92 Range $106.45 - $166.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	363,924	$79,106	$209.86	$182.34 - $233.14
Q3 2025	320,000	$68,099	$183.12	$160.08 - $213.66
Q2 2025	350,000	$59,651	$144.03	$99.70 - $172.71
Q1 2025	315,000	$36,764	$134.92	$106.45 - $166.95