I'm with Chuck, replace the TIM. Some TIM dries out, others don't. Stock Intel heatsinks probably aren't going to give you 60C under load like an aftermarket tower heatsink, but 95C sounds pretty high even for the stock heatsink, and likely the CPU is throttling itself at that temp.
Main: i5-3570K, ASRock Z77 Pro4-M, MSI RX480 8G, 500GB Crucial BX100, 2 TB Samsung EcoGreen F4, 16GB 1600MHz G.Skill @1.25V, EVGA 550-G2, Silverstone PS07B
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