J.F. Lehman & Company Announces Promotions

For Immediate Release

May 29, 2013

NEW YORK – J.F. Lehman & Company, a leading middle-market private equity firm focused on the defense, aerospace and maritime sectors, is pleased to announce the promotion of Lisa M. Steffens to Managing Director, Fund Finance and Investor Relations; David L. Rattner to Managing Director, Legal, Administration and Compliance; William J. Hanenberg to Vice President and David F. Thomas to Senior Associate.

Ms. Steffens joined the firm in 2006 and served for six years as J.F. Lehman’s Director of Investor Relations. Her prior experience includes risk analysis at the Shaw Group, investment banking at Deutsche Bank and Goldman Sachs, and intelligence analysis and engineering for the C.I.A. Ms. Steffens graduated from M.I.T. with B.S. degrees in mechanical engineering and French and earned an M.B.A. from Yale University.

Mr. Rattner joined the firm in 2011 as General Counsel. Prior to joining the firm, Mr. Rattner spent eight years as general counsel of OAO Technology Solutions (“OAOT”), a former J.F. Lehman portfolio company. Prior to joining OAOT, Mr. Rattner held various general counsel and in-house legal positions at companies ranging from start-ups to a Fortune 500 company. Mr. Rattner began his legal career as an associate at Skadden Arps, earned a B.A. degree from Georgetown University and received his J.D. from the University of Pittsburgh School of Law.

Mr. Hanenberg joined the firm in 2008. Prior to joining J.F. Lehman, he was an investment banking analyst in the Global Industrials Group at Banc of America Securities. His prior experience includes analyst positions at Redwood Capital Group (a technology-focused M&A boutique) and Dealogic. Mr. Hanenberg earned a B.S. in economics from Duke University and an M.B.A. from Columbia University’s Graduate School of Business.

Mr. Thomas joined J.F. Lehman in 2010. Prior to joining the firm, Mr. Thomas was an investment banking analyst in Credit Suisse’s Mergers and Acquisitions Group where he supported a wide range of transactions. Mr. Thomas earned a B.A. in economics from Yale University.

J.F. Lehman & Company is a leading middle-market private equity firm focused exclusively on the defense, aerospace, and maritime sectors. The firm has offices in New York and Washington.

For more information about J.F. Lehman & Company, please visit www.jflpartners.com.

Contact

Lisa M. Steffens

J.F. Lehman & Company

(212) 634-1150

lms@jflpartners.com