Freddie Mac has revealed more information about the dismantling of its mortgage securities trading operation, and about what its ex-employees are taking with them on their way out. According to a “market update” provided by the government-sponsored enterprise earlier this month, Freddie expects to pay $30 million in exit costs stemming from the decision to cease the market-making activities of its Securities Sales & Trading Group. Freddie Chairman and CEO Richard Syron said the SS&TG