SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Floerke Gregory Scott

(Last) (First) (Middle)
800 S DOUGLAS ROAD
12TH FLOOR

(Street)
CORAL GABLES FL 33134

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
01/03/2005
3. Issuer Name and Ticker or Trading Symbol
MASTEC INC [ MTZ ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Operations Officer
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy)(1) (2) 01/03/2015 Common Stock 10,277 9.73 D
Incentive Stock Option (right to buy)(1) (3) 01/22/2014 Common Stock 20,040 14.97 D
Non-Qualified Stock Option (right to buy)(1) (4) 09/16/2014 Common Stock 40,000 5.15 D
Non-Qualified Stock Option (right to buy)(1) (2) 01/03/2015 Common Stock 29,723 9.73 D
Non-Qualified Stock Option (right to buy)(1) (3) 01/22/2014 Common Stock 14,960 14.97 D
Explanation of Responses:
1. Stock Option granted pursuant to the 2003 Employee Incentive Plan for no cash consideration.
2. 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 (01/03/2005).
3. 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 (01-22-03).
4. 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 (09/16/2004).
By: /s/ Michael G Nearing For: Gregory S Floerke 01/11/2005
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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POWER OF ATTORNEY
      KNOW ALL MEN BY THESE PRESENTS, that the
undersigned constitutes and appoints
Michael G. Nearing and Jose A. Llerena,
and each of them, the undersigned's true and lawful
attorneys-in-fact and agents,
with full power of substitution,
for the undersigned and in the
undersigned's name, place and stead,
in any and all capacities, to execute for and on behalf of the
undersigned, in the undersigned's capacity
as an officer and/or director of MasTec Inc. (the
"Company"), Forms 3, 4 and 5 in accordance
with Section 16(a) of the Securities Exchange Act of
1934, as amended, and the rules thereunder;
1.	do and perform any and all acts for
and on behalf of the undersigned which may be
necessary or desirable to complete and execute
any such Form 3, 4 or 5 and timely file
such form with the United States Securities
and Exchange Commission and any stock
exchange or similar authority; and
2.	take any other action of any type
whatsoever in connection with the foregoing which, in
the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or
legally required by, the undersigned, it
being understood that the documents executed
by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney
shall be in such form and shall contain
such terms and conditions as such attorney-in-
fact may approve in such attorney-in-fact's discretion.
      The undersigned hereby grants to each
such attorney-in-fact full power and authority to
do and perform any and every act and
thing whatsoever requisite, necessary, or proper to be
done in the exercise of any of
the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might
or could do if personally present, with full power of
substitution or revocation, hereby
ratifying and confirming all that
such attorney-in-fact, or such
attorney-in-fact's substitute or
substitutes, shall lawfully do or
cause to be done by virtue of this
power of attorney and the rights and
powers herein granted.  The undersigned
acknowledges
that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the
undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's
responsibilities to comply with Section
16 of the Securities Exchange Act of 1934.
      This Power of Attorney shall
remain in full force and effect
until the undersigned is no
longer required to file Forms 3, 4 and 5
with respect to the undersigned's holdings of and
transactions in securities issued by the
Company, unless earlier revoked by the undersigned in
a signed writing delivered to the foregoing attorneys-in-fact.
      IN WITNESS WHEREOF, the undersigned
has caused this Power of Attorney to be
executed as of this 6th day of January, 2004.

/s/ Gregory S. Floerke
      Signature

      Gregory S Floerke