Simpson Thacher said it is representing J.P. Morgan Securities and Barclays Bank in connection with $12.5 billion in bridge financing to Thermo Fisher Scientific in its announced acquisition of Life Technologies Corporation.

The proceeds of the bridge facility will be available to finance the acquisition, to repay certain indebtedness of Life Technologies and to pay fees and expenses related thereto.

The Simpson Thacher team includes Patrick Ryan, Ismael Duran and Sam Warfield (banking and credit); Art Robinson, Patrick Baron and Kyle Scherer (capital markets); Jodi Sackel (tax); Daniel Avezbaki (executive compensation and employee benefits); Marcela Robledo (intellectual property); and Michael Isby (environmental).