(ShareCast News) - DP Poland, which operates Domino's Pizza franchises in Poland, reported ongoing growth in the first half of this year, posting its 11th consecutive quarter of double-digit like-for-like systems sales growth.The company noted a 23.3% rise in total systems sales to 11.4m from 9.3m in the first half of 2014. Like-for-like system sales were up 15.8%, while gross profit was 27.1% higher.Chief executive Peter Shaw said: "Store EBITDA continues to improve with our top three stores delivering an average of +£26k in the first half of 2015, compared to +£7.5k in the first half of 2014."We are well advanced in site negotiations and store construction for expansion into new cities in Q4 2015."At 10:58, shares were up 3.7% at 18.02p.