Kabel Deutschland has agreed to acquire German cable operator Tele Columbus for an undisclosed amount, according to Financial Times Deutschland. Other bidders had included Deutsche Telekom and Liberty Global, while sellers included York Capital and Golden Tree Asset Management. Rothschild managed the process. www.telecolumbus.de

MedAtlantica has agreed to acquire non-operating Mexican airline Nuevo Grupo Aeronautico for an undisclosed amount. www.mexicanainforma.com

NTT Docomo Inc. has agreed to acquire Italian mobile Internet company Buongiorno, via a tender offer that could be worth up to $300 million. www.buongiorno.com

WhaleShark Media, an Austin, Texas-based online coupon and deals marketplace, has acquired Miwim, a French publisher of online coupons and cash-back deals. No financial terms were disclosed. WhaleShark has raised nearly $300 million in VC funding from J.P. Morgan Asset Management, Institutional Venture Partners, Google Ventures, Austin Ventures, Norwest Venture Partners and Adams Street Partners. www.whalesharkmedia.com

Kinderhook Industries has agreed to sell EAM Corp., a Jesup, Ga.-based maker of absorbent core solutions, to Domtar Corp. (NYSE: UFS). No financial terms were disclosed. Harris Williams & Co. managed the process. www.eam-corp.com

Riverstone Holdings has agreed to sell Three Rivers Operating Company LLC, an oil and gas company that owns 200,000 acres in the Permain Basin, to Concho Resources Inc. (NYSE: CXO). The deal is valued at $1 billion in cash. www.conchoresources.com

Sun Capital Partners has sold Fearman’s Pork, operator of a pork processing facility in Ontario, Canada, to Sofina Foods Inc. No financial terms were disclosed. www.suncappart.com

Towers Watson (NYSE: TW) has agreed to acquire Extend Health Inc., a San Mateo, Calif.-based operator of the nation’s largest private Medicare exchange. The deal is valued at $428 million. Extend Health currently is in registration for a $75 million IPO, and reports nearly $10 million in 2011 net income on around $51 million in revenue. Shareholders include Psilos Group (46% pre-IPO stake) and Steve Case’s Revolution Health (20.4%). www.extendhealth.com

United Maritime Group has agreed to sell U.S. United Bulk Terminal LLC, a Davant, La.-based dry bulk terminal, to Bulk Handling USA Inc., an affiliate of Oiltanking Holding Americas. No financial terms were disclosed. UMG is a portfolio company of Greenstreet Equity Partners, Jefferies Capital Partners and AMCI Capital. www.unitedmaritimegroup.com

Zynga (Nasdaq: ZNGA) has acquired Wild Needle, a Mountain View, Calif.–based mobile gaming studio. No financial terms were disclosed. Wild Needle last year raised $2.5 million in first-round funding from s Ventures and Playdom co-founder Rick Thompson. www.wildneedle.com

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