BRIEF-AEGON underlying earnings up 7pct to 491 mln euros

AMSTERDAM, Feb 20 (Reuters) - Aegon NV : * Delivers strong underlying earnings, sales and value of newbusiness * Underlying earnings up 7 pct to EUR 491 million, * Fair value items loss of EUR 260 million, * Return on equity down to 6.9 pct, driven by the increase of shareholders&rsq uo;