Prepared Answering Testimony Of Matthew P. O'Loughlin On Behalf Of Southern California Edison Company under RP10-951.

Exhibit No. SCE-1 Page 1 of 67 UNITED STATES OF AMERICA BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION Texas Gas Service Company, ) A Division of ONEOK, Inc. ) ) Docket No. RP10-951-000 v. ) ) El Paso Natural Gas Company ) PREPARED ANSWERING TESTIMONY of MATTHEW P. O'LOUGHLIN on behalf of SOUTHERN CALIFORNIA EDISON COMPANY March 8, 2011