Feb 26 (Reuters) - Swick Mining Services Ltd SWK.AX :
* H1 GROUP REVENUE (INCLUDING OTHER INCOME) OF $71.1 MILLION, UP 9 PERCENT ON PCP
* ESTIMATE FOR FULL YEAR FY18 REVENUE $135 MILLION TO $145 MILLION; FY18 EBITDA $17.5 MILLION TO $19.5 MILLION FOR DRILLING BUSINESS
* H1 EBITDA $7.2 MILLION, DOWN 10 PERCENT ON PCP