MASTEC INC — Director's Dealing 2003

Aug 18, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (mtz)
CIK: 0000015615
Period of Report: 2003-08-14

Reporting Person: WEINSTEIN DONALD P (EVP and CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2002-01-02	Stock Options (right to buy)	$7.07	A	35000	Acquired	2009-01-02	Common Stock (35000)	Direct
2003-05-01	Stock Options (right to buy)	$2.215	A	100000	Acquired	2010-05-01	Common Stock (100000)	Direct
2003-08-14	Stock Options (right to buy)	$7.74	A	30000	Acquired	2013-08-14	Common Stock (30000)	Direct

Footnotes

F1: Exempt stock option grant that vests over three years in equal installments of 33.3% beginning twelve months after date of grant (01/02/2002).

F2: N/A

F3: Exempt stock option grant that vests over three years in equal installments of 33.3% beginning twelve months after date of grant (05/01/2003).

F4: Exempt stock option grant that vests over three years. First two years vesting is 33%. Third year vesting is 34%. Vesting begins twelve months after date of grant (08/14/2003).