PLATINUM/$25,000

Boies Schiller & Flexner LLP, Cuneo Gilbert & LaDuca, Facebook, Freedman Boyd Hollander Goldberg Urias & Ward P.A., Google, Huntington National Bank , Intel Corp, Lieff Cabraser Heimann & Bernstein, LLP

GOLD/$15,000

Amazon, Bates White Economic Consulting, Berger Montague, Cohen Milstein, Committee to Support the Antitrust Laws, Cooper & Kirkham PC, Gustafson Gluek PLLC, Hausfeld LLP, Labaton Sucharow, Nathan Associates, Robins Kaplan LLP, Spector Roseman Kodroff & Willis

SILVER/$10,000

American Public Power Association, Burford Capital, Cafferty Clobes Meriwether & Sprengel LLP, Computer & Communications Industry Association, Cotchett, Pitre & McCarthy, LLP, Econ One Research, Inc., Epiq Systems, Fine, Kaplan and Black, R.P.C., Girard Sharp, Kessler Topaz Meltzer & Check, LLP, Lockridge Grindal Nauen, PLLP, Microsoft, Monument Economics Group LLC, National Beer Wholesalers Association, Natural Resources Defense Council, Zelle LLP

SUPPORTER/$5,000

A.B. Data, Ltd., ApplEcon, Economists Incorporated, Heins Mills & Olson, P.L.C., Info Tech, Inc. Consulting, International Brotherhood of Teamsters, Joseph Saveri Law Firm, Kaplan Fox, NastLaw, LLC, National Association of Broadcasters, Rust Consulting/Kinsella Media, Spiegel & McDiarmid LLP, Straus & Boies, LLP, Susman Godfrey LLP