Shareholding Structure

Shareholding Structure

As of December 31, 2017

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OMA has 393.8 million common shares outstanding; 87.4% are Series B shares, and 12.6% are Series BB shares. (Repurchased shares are included in Series B Public Float).

OMA's Series B shares are listed on the Mexican Stock Exchange (BMV) and American Depositary Shares (ADSs) are listed on the NASDAQ Stock Market in the U.S.; each ADS represents 8 Series B shares.

OMA’s strategic partner, SETA, Servicios de Tecnología Aeroportuaria, S.A. de C.V. (SETA), a wholly-owned subsidiary of Empresas ICA, S.A.B., de C.V, owns all of the Series BB shares, which are not traded.
CONOISA, Controladora de Operaciones de Infraestructura, S.A. de C.V. is a wholly-owned subsidiary of Empresas ICA ,S.A.B. de C.V.

Each Series B and Series BB share gives the holder equal dividend rights and one vote in shareholders' meetings. The holders of Series BB shares also have veto rights over certain actions, including the payment of dividends and the nomination or removal of certain members of senior management.

Repurchase Program Operations
Date Total Shares Issued Serie BB Shares Issued Serie B Shares Issued Accumulated Repurchased Shares in Treasury Outstanding Serie B Shares Outstanding Total Shares
March 31, 2018 393'770,973 49'766,000 344'004,973 324,507 343'680,466 393'446,466
December 31, 2016 400'000,000 49'766,000 350'234,000 6,229,027 344'004,973 393'770,973
December 31, 2015 400'000,000 49'766,000 350'234,000 7,843,623 342'390,377 392'156,377
December 31, 2014 400'000,000 58'800,000 341'200,000 4'620,150 336'579,850 395'379,850
December 31, 2013 400'000,000 58'800,000 341'200,000 1'440,783 339'759,217 398'559,217
December 31, 2012 400'000,000 58'800,000 341'200,000 872,473 340'327,527 399'127,527
December 31, 2011 400'000,000 58'800,000 341'200,000 1'151,300 340,048,700 398'848,700
December 31, 2010 400'000,000 58'800,000 341'200,000 818,000 340'382,000 399'182,000
December 31, 2009 400'000,000 58'800,000 341'200,000 1'643,400 339'556,600 398'356,600
December 31, 2008 400'000,000 58'800,000 341'200,000 4'726,100 336'473,900 395'273,900
December 31, 2007 400'000,000 58'800,000 341'200,000 2'604,700 338'595,300 397'395,300
December 31, 2006 400'000,000 58'800,000 341'200,000 0 341,200,000 400'000,000