UPDATE: Guilty Pleas in Public Works Scandal

Tulsa, OK – local construction firm plead guilty today in federal court in Tulsa to bribing a Tulsa public
works official.

Harlan Eugene Yocham, age 49, of Yocham Enterprises, Sapulpa, plead guilty to
Procurement Fraud Bribery. He also agreed to pay the City of Tulsa restitution in the amount
of $10,000. Yocham admitted that he paid a $7,000 bribe to former Tulsa Public Works Field
Engineering Manager Albert Martinez for his approval of a fraudulent and inflated invoice
involving a street improvement contract on East Pine Street between Peoria and Lewis.

Yocham is the fourth defendant to plead guilty in the public works corruption cases. His
sentencing is set for December 14, 2009, after the completion of a pre-sentence investigation
report by the U.S. Probation Office. Yocham faces a prison sentence of up to 10 years and a
fine of $250,000.

U.S. District Judge Terrence Kern is presiding in the case. The plea today was before
Magistrate Judge T. Lane Wilson. Assistant U.S. Attorneys Clinton J. Johnson, Joseph F.
Wilson and Catherine J. Depew are prosecuting for the government. The investigation was
undertaken by the Federal Bureau of Investigation and the Internal Revenue Service Criminal
Investigation Division.