HOLLY ENERGY PARTNE NOTICE TO THE PUBLIC PIPELINE SAFETY Holly Energy Partners (HEP) is the operator of pipelines that transport refined products and crude oi in the State of Texas. For your personal protection and for the protection of our pipelines to ensure continuous safe operations, please follow these safety procedures EXCAVATIONS HEP is a member of Texas Excavation Safety System We request your cooperation and assistance with our damage prevention "Call Before You Dig" program. Please call 48 hours in advance of excavation, construction or similar activities occurring in or near the area of these pipelines. To aid in identifying the locations of HEP facilities, signs mark the approximate locations and routes of our pipelines. Included on these caution markers is a 24-hour emergency telephone number. HEP personnel are available to locate and mark exact pipeline locations and help coordinate work activities (free of charge) to minimize exposures and mitigate interference to service. EMERGENCIES If you notice spilled product, a vapor cloud or a fire near an HEP pipeline: Evacuate the area immediately. oDo not attempt to correct the problem. ooDo not return to the area. ooHelp keep others away from the area. Notify local law enforcement agencies, the fire department and HEP. 811 Know what's below Call before you dig Holly Energy Partners 24-hour Emergency Number 1-877-748-4464