But Gannett said that Tribune has refused to start "constructive discussions" about a deal since it first offered to buy its rival earlier this month. Tribune confirmed today that it received the unsolicited offer and said it "will respond to Gannett as quickly as feasible."
Gannett wants Tribune so that it can grow its USA Today Network, an effort it launched late last year to unite its national brand USA Today with its more than 100 local daily newspapers.
Earlier this year, the company remade the logos on all its local newspaper front pages and websites to say that they are "a part of the USA Today Network."
Buying Tribune would give Gannett 11 more newspapers, including the Orlando Sentinel, The Baltimore Sun and the Hartford Courant.
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Earlier this month, Gannett closed a USD 280 million deal to buy the Journal Media Group, adding 15 newspapers to its portfolio, including the Knoxville News Sentinel and the Milwaukee Journal Sentinel.
The offer comes after a shake-up at Tribune.
Last month, the Chicago-based company announced a reorganization that named each of its newspapers' editors as dual editors-in-chief and publishers. In February, Tribune named Justin Dearborn as its new CEO, replacing Jack Griffin less than two years after he joined the business.
The changes came months after Tribune received a more than USD 44 million cash infusion from a firm controlled by Chicago investor Michael Ferro. Gannett said Monday that CEO Robert Dickey talked about a possible deal with both Ferro and Dearborn.