MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q3 2023

Shares 3,121 Value ($000) $225 Avg Close $99.67 Range $71.61 - $123.33

Q2 2023

Shares 8,932 Value ($000) $1,054 Avg Close $97.94 Range $84.80 - $118.32

Q4 2014

Shares 786,796 Value ($000) $17,789 Avg Close $24.73 Range $18.14 - $30.70

Q3 2014

Shares 850,628 Value ($000) $26,046 Avg Close $29.73 Range $26.38 - $32.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	3,121	$225	$99.67	$71.61 - $123.33
Q2 2023	8,932	$1,054	$97.94	$84.80 - $118.32
Q4 2014	786,796	$17,789	$24.73	$18.14 - $30.70
Q3 2014	850,628	$26,046	$29.73	$26.38 - $32.10