Two of Chicago-based USG's (USG) senior executives are due to be promoted next month.

On Wednesday, USG announced it had promoted Executive Vice President for Operations Christopher R. Griffin to the position of executive vice president and chief operating officer, effective Oct. 1. Also on that date, Vice President of USG and President of its international operations Jennifer F. Scanlon will be promoted to the position of senior vice president of USG, while remaining president of the international division.

In a filing with the Securities and Exchange Commission, USG disclosed that it will pay Griffin an annual base salary of $535,000, and award him 10,000 shares of restricted stock, vesting over four years, under the company's long-term incentive plan.

Scanlon's compensation scheme had not been disclosed.

Griffin has been with the company for the past 13 years, and Scanlon for the past 10.