March 22 (Reuters) -
* Energy group Alfen IPO priced at 10 euros ($12.35) per share.
* The total size of the offering amounts to 85 million euros, or approximately 98 million euros if the over-allotment option is exercised in full.
* In total, 8,500,000 shares have been sold, representing 42.5 percent of shares prior to the exercise of the over-allotment option.
* If the over-allotment option is exercised in full, the total number of offer shares will increase to 9,775,000, representing approximately 48.88 percent of the shares. Source text for Eikon: Further company coverage: [ ] ($1 = 0.8095 euros) (Reporting by Anthony Deutsch)