Lois Lerner, the senior executive in charge of the IRS tax exemption department and the federal employee at the center of the exploding scandal over the IRS targeting of conservative, evangelical and pro-Israel non-profits, was given $42,531 in bonuses between 2009 and 2011.

That figure was included in data provided by the IRS in response to a Freedom of Information Act request by The Washington Examiner. Lerner is director of the IRS exempt organizations division, which processes and approves or denies applications from groups seeking tax-exempt status.

Lerner received $17,220 for 2010, $14,691 for 2011 and $10,620 for 2012, the most recent year for which the IRS said data was available.

Her annual salary in 2009 and 2010 was $172,200, and $177,000 in 2011 and 2012. With the bonuses, Lerner was paid a total of $740,931 for the four-year period.

Lerner admitted last week that her agency had singled out conservative groups with words like "Tea Party" and "Patriot" in their names. Being singled out reportedly delayed resolution of their application for many months for most of the groups, while applications from liberals groups were typically processed in only a month or two.

Kelly Cohen, a member of The Washington Examiner's Watchdog investigative reporting team, contributed to this report.

Mark Tapscott is executive editor of The Washington Examiner.