Mexico City (Mexico) and Zwolle (The Netherlands), 15 June 2012 - Reference is made to the joint press release of Mexichem, S.A.B. de C.V. (Mexichem) and Wavin N.V. (Wavin) of 24 May 2012 announcing that 97.24% of the issued and outstanding ordinary shares of Wavin (the Shares) had been tendered for acceptance to Mexichem Soluciones Integrales Holding, S.A. de C.V. (the Offeror).

As a result of the acquisition of more than 95% of the Shares by the Offeror, Mexichem and Wavin jointly announced that the listing and trading of the Shares on NYSE Euronext Amsterdam (Euronext) would be terminated. In consultation with Euronext it has been decided that the listing will be terminated on 12 July 2012. The last day of trading of the Shares on Euronext will be 11 July.

In order to acquire the Shares not already owned, the Offeror will initiate a squeeze-out procedure in accordance with the Dutch Civil Code shortly.

About Mexichem
Mexichem is a leader in plastic pipe systems and in the chemical and petrochemical industry in Latin America, with more than 50 years of experience in the region and 33 years on the Mexican Stock Exchange with a market capitalisation of approximately EUR 5.0 billion¹. Mexichem, which exports to more than 50 countries, and has presence in Latin America, North America, Europe and Asia, has an annual turnover of approximately EUR 2.8 billion² and EBITDA of approximately EUR 594 million². With more than 10,000 employees throughout virtually the entire American continent, UK and Japan, the company has the largest fluorspar mine in the world and is the only fully integrated coolant gas producer in America. It is also the largest producer of PVC resin in Latin America and contributes actively to the development of the countries through products that have a wide market in the most dynamic growth sectors including construction, housing, drinking water, and urban sewage in Mexico, the United States, UK, Japan and Latin America. More details about Mexichem can be found at www.mexichem.com.

About Wavin
Wavin is the leading supplier of plastic pipe systems and solutions in Europe. The company provides essentials: plastic pipe systems and solutions for tap water, surface heating and cooling, soil and waste, rain- and storm water, distribution of drinking water and gas and telecom applications. Wavin is headquartered in Zwolle (The Netherlands) and has a presence in 25 European countries. The company employs approximately 6,000 people and reported revenue of approximately EUR 1.3 billion for 2011. Outside Europe, it has a global network of agents, licensees and distributors. Wavin is listed on the NYSE Amsterdam stock exchange (WAVIN). More details about Wavin can be found at www.wavin.com.

¹      Based on market data from FactSet as at 1 June 2012. MXN:EUR exchange rate of 17.60.
²   Unaudited financials based on Mexichem full year 2011 results announced on 21 February 2012. MXN:EUR average exchange rate during 2011 of 17.29 from FactSet.