Prolonged Period of Extreme Cold Beginning January 31, 2014 Public Service Company of Colorado, an Xcel Energy Company January 31, 2014 A prolonged period of extreme cold weather has arrived and will continue throughout the weekend and the following week beginning today January 31, 2014. Please monitor your nominations and the weather forecast closely and adjust appropriately to meet load requirements. PSCo will review nominations on a daily basis and determine if additional actions are required, including the possibility of issuing an underdelivery Operational Flow Order (OFO). Please direct any questions concerning scheduling to Sharon Gordon at 303273-4724 or Donna Woods at 303-273-4826. Thank you for your attention during this challenging time of year. Sincerely, Ken Buys Manager, Gas Control