OMA joins Mexican Stock Exchange IPC Index

OMA joins Mexican Stock Exchange IPC Index

January 17, 2007
OMA joins Mexican Stock Exchange IPC Index

Monterrey, NL., Mexico, January 17, 2007-Mexican airport operator Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., or OMA, announced that the Mexican Stock Exchange will include OMA's B shares in its benchmark IPC Index of 35 stocks, for the period February 1, 2007 through January 31, 2008. The Mexican Stock Exchange adjusts the composition of the IPC index on an annual basis, based on criteria including share liquidity and market capitalization. Additional information on the IPC index can be found at www.bmv.com.mx.

About OMA

Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., known as OMA, operates 13 international airports in nine states of central and northern Mexico. OMA's airports serve Monterrey, Mexico's third largest metropolitan area, the tourist destinations of Acapulco, Mazatlán, and Zihuatanejo, and nine other regional centers and border cities. OMA employs over 900 persons in order to offer our passengers and clients airport and commercial services in facilities that comply with all applicable international safety, security, and quality standards. OMA's strategic shareholder members are ICA, Mexico's largest engineering, procurement, and construction company, and Aéroports de Paris, the second largest European airports operator. OMA is listed on the Mexican Stock Exchange (OMA) and on the NASDAQ Global Select Market (OMAB). Please visit our website, www.oma.aero.

This communication may contain forward-looking information and statements. Forward-looking statements are statements that are not historical facts. These statements are only predictions based on our current expectations and projections about future events. Forward-looking statements may be identified by the words "believe," "expect," "anticipate," "target," or similar expressions. While OMA's management believes that the expectations reflected in such forward-looking statements are reasonable, investors are cautioned that forward-looking information and statements are subject to various risks and uncertainties, many of which are difficult to predict and are generally beyond the control of OMA, that could cause actual results and developments to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. These risks and uncertainties include, but are not limited to, those discussed in our Prospectus under the caption "Risk Factors." OMA undertakes no obligation to publicly update its forward-looking statements, whether as a result of new information, future events, or otherwise.