EU mergers and takeovers (May 20)

BRUSSELS, May 20 (Reuters) - The following are mergers under review by the European Commission and a brief guide to the EU merger process:

APPROVALS AND WITHDRAWALS:

-- RWE Innogy GmbH, a renewable energy unit of German utility RWE (RWEG.DE), and Voith Hydro Holding GmbH & Co, a joint venture founded by Voith AG and Siemens AG (SIEGn.DE), acquire control of a new joint venture in tidal energy extraction technology (approved May 20)

-- France's GDF Suez Energy Services SA, controlled by the GDF Suez Group (GSZ.PA), to acquire Italian energy services firm Elyo Italia Srl (approved May 20)

-- Air France-KLM (AIRF.PA) and Morocco's Groupe Royal Air Maroc [RAM.UL] to acquire joint control of Moroccan aircraft maintenance company Aerotechnic Industries SA, until now controlled by Royal Air Maroc (approved May 20)

-- Hungarian oil company MOL MOLB.BU to take sole control of Croatian oil firm INA Industrija Nafte d.d. (INA.ZA), currently controlled jointly by MOL and the Croatian government (approved May 20)

NEW LISTINGS:

-- U.S. petrochemical company Access Industries and Jersey-registered ProChemie Holding Ltd to take joint control of petrochemical group LyondellBasell Industries AF S.C.A. (notified May 11/deadline June 18/simplified)

EXTENSIONS AND OTHER CHANGES:

None

FIRST-STAGE REVIEWS BY DEADLINE:

MAY 27

-- U.S. agricultural products company Archer Daniels Midland (ADM.N) to acquire three German chocolate companies collectively referred to as Schokinag (notified April 17/deadline May 27)