BRIEF-Tapstone Energy files for IPO of up to $100 mln
April 13 Tapstone Energy Inc
* Tapstone Energy Inc files for IPO of up to $100 million of common stock - sec filing
* Tapstone Energy Inc - applied to list common stock on new york stock exchange under symbol “TE”
* Tapstone Energy Inc says BofA Merrill lynch and citigroup are underwriters to IPO
* Tapstone Energy Inc - proposed IPO price is an estimate solely for purpose of calculating sec registration fee Source text : bit.ly/2o9RRJp