DENVER--(BUSINESS WIRE)--CoreSite Realty Corporation (NYSE:COR), a premier provider of secure, reliable, high-performance data center solutions across the US, today announced that it has entered into an amended and expanded $500 million senior unsecured credit facility. The credit facility, consisting of a $350 million revolving credit facility and a $150 million term loan, extends CoreSite’s debt maturity profile and increases total debt capacity. The revolving credit facility has a four-year