NEWS
For Immediate Release                      From MasTec, Inc.
January 16, 1998                           3155 N.W. 77th Avenue
                                           Suite 135
                                           Miami, Florida 33122-1205
                                           Tel :    (305) 599-1800
                                           Fax :    (305) 406-1908
                                           For more information contact:
                                           Edwin D. Johnson,
                                           Chief Financial Officer
                                           ejohnson@mastec.com


                 MASTEC, INC. ANNOUNCES SENIOR NOTE OFFERING AND
                                TWO ACQUISITIONS

     MIAMI, FL - MasTec,  Inc.  (NYSE:  MTZ) announced today its intent to issue
$150  million  in  senior  subordinated  notes  due in 2008.  Proceeds  from the
offering will be used for general corporate  purposes,  including  acquisitions,
working  capital and capital  expenditures.  The notes have not been  registered
under the securities act or any state  securities laws and may not be offered or
sold except pursuant to an exemption from the  registration  requirements of the
securities act and applicable state securities laws.

     The Company also announced the acquisition of Weeks Construction Company of
Asheboro,  North Carolina and M.E.  Hunter of Atlanta,  Georgia.  Both companies
provide outside plant infrastructure services in Virginia,  Tennessee, North and
South  Carolina,   Georgia,  Alabama  and  Florida.  These  companies  generated
approximately $45 million in combined revenue last year.

     Jorge Mas, MasTec Chairman and Chief Executive Officer,  said: "The impetus
of our strategic  plan,  which entails growth,  coupled with today's  attractive
interest rate environment make this the ideal time to obtain long term financing
for  the  company.  Our  position  as  the  principal  consolidator  in a  still
fragmented industry,  coupled with strong access to capital,  provides us with a
unique opportunity for rapid expansion and enhancement of shareholder value."

     Opening  the Lines of  Communication  (R)  worldwide,  MasTec is one of the
world's leading telecommunications and related infrastructure service providers,
serving clients throughout the United States, Latin America and Spain.

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