CHICAGO -- InnerWorkings, Inc., a leading global provider of managed print and promotional solutions for corporate clients, announced today that Optimum Nutrition and InnerWorkings' four-year extension of their enterprise business process outsourcing (BPO) agreement into 2012 is providing immediate payback and product innovation.

"We continue to be impressed with the InnerWorkings' team and approach. They are delivering tremendous value for our company," said Phil Grippo, director at Optimum Nutrition. "Not only have they provided us with production management and outsourcing expertise, they also helped us create a revolutionary and patented technology for some of our products."

The agreement between the two companies covers the branded packaging needs for the business. InnerWorkings has also helped Optimum Nutrition develop a patented quarter-turn locking thread for their nutritional supplement packaging.

"Our success at Optimum Nutrition, including this contract extension and associated incremental revenue, further validates the additional value we are bringing to our clients. Our ability to provide innovative and cost-effective print and promotional solutions is a testament to our team and expertise," said Eric D. Belcher, Chief Executive Officer of InnerWorkings. "Long term enterprise relationships enhance our broad and expanding recurring revenue stream and augment InnerWorkings' robust liquidity position."