BOART Longyear's outgoing chairman says it is on a two-year journey to return to financial health as it looks to extract further costs and improve profitability. Shares in the drilling services company sank after it released its full year results yesterday, plunging 9.8 per cent to an intra-day low of $1.93, after Boart posted a 57.4 per cent drop in net profit to $US68.2 million ($66.2m), from $US159.9m in the previous year on the back of the slowdown in mining. The firm slashed its final dividend to US1c a share, down from US5.6c, to be paid in April.