The Bloomberg pay ranking also calculates pay-for- performance using an executive’s compensation as a percentage of a company’s economic profit, defined as after-tax net operating profit minus its cost of capital.

By that measure, Apple’s Ahrendts delivered the best rating among all women on the ranking. Her pay is equal to 0.3 percent of the Cupertino, California-based company’s $28.6 billion three-year average economic profit.

Lockheed’s Hewson

Lockheed Martin Corp. CEO Marillyn Hewson delivered the third-best dollar-for-dollar performance among the women on the index. The defense contractor’s quarterly revenue has slumped 16 percent since she took over the Bethesda, Maryland-based company in January 2013, and earnings have risen more than 54 percent.

Larisa Cioaca, a spokeswoman for Lockheed, declined to comment.

Hewson’s 2014 pay, valued at $36.7 million at year end, is 2.9 percent of Lockheed’s three-year average economic profit of $1.28 billion.

“She’s well-respected by her customers, and frankly that goes a long way when you have programs that periodically face challenges,” said Howard Rubel, a New York-based analyst with Jefferies LLC.

Other female executives on the ranking include Mylan NV CEO Heather Bresch, who was awarded $40 million, and Martine Rothblatt, co-CEO and chairman of United Therapeutics Corp., with $33.3 million in awarded pay.

Executives including Facebook Inc. Chief Operating Officer Sheryl Sandberg and Twitter Inc. General Counsel Vijaya Gadde have previously been on the ranking. The current value of their awarded pay -- $17.6 million and $5.8 million, respectively -- has dropped them from the index.

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