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: MAS JOSE RAMON (Director, EVP)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
1996-06-03	Stock Options (right to buy)	$14.167	A	22500	Acquired	2006-06-03	Common Stock (22500)	Direct
1997-12-29	Stock Options (right to buy)	$14.0625	A	37500	Acquired	2007-12-29	Common Stock (37500)	Direct
1999-12-15	Stock Options (right to buy)	$26.7917	A	15000	Acquired	2006-12-15	Common Stock (15000)	Direct
1999-12-10	Stock Options (right to buy)	$25.5833	A	21429	Acquired	2006-12-10	Common Stock (21429)	Direct
2001-08-22	Stock Options (right to buy)	$10.56	A	125000	Acquired	2008-08-22	Common Stock (125000)	Direct
2003-08-14	Stock Options (right to buy)	$7.74	A	150000	Acquired	2003-08-14	Common Stock (150000)	Direct

Footnotes

F1: Stock Options are fully vested and exercisable.

F2: Exempt stock option grant that vests over three years in equal installmentsof 33% per year beginning twelve months after date of grant (08/21/2001).

F3: 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).