OMA Reports Third Quarter 2008 Results

MONTERREY, Mexico, Oct. 23, 2008 (GLOBE NEWSWIRE) -- Mexican airport operator
Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., or OMA, reported its
unaudited, preliminary results for the third quarter and first nine months of
2008 today.

(Ps. thousands) 3Q 07 3Q 08 %Var. 9M 07 9M 08 %Var.

Terminal passengers (million) 3.8 3.5 (6.6) 10.6 10.9 2.9
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Total revenues (Ps. million) 489 496 1.3 1,412 1,502 6.4

Income from operations 203 170 (16.0) 569 544 (4.5)
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Adjusted EBITDA 280 257 (8.3) 795 812 2.2
Adjusted EBITDA margin 57.2% 51.7% 56.3% 54.1%
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Income before taxes 218 165 (24.5) 634 683 7.7
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Net Income (loss) 138 130 (5.4) 421 495 17.4

EPS* (Ps.) 0.34 0.33 1.05 1.25

EPADS* (US$) 0.25 0.24 0.77 0.91
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Capital Expenditures 95 163 434 1,880
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Highlights

Third quarter 2008 (compared to the third quarter of 2007)

* Passenger traffic totaled 3.5 million in the quarter, a decrease of
6.6%. Domestic traffic decreased 6.9%; international traffic
decreased 4.8%.

* Total net revenues increased 1.3% to Ps. 496 million.

* Cost of services and administrative expenses rose a combined 20.9%
to Ps. 202 million, as compared to Ps. 167 million in the same
period of 2007. The principal factor in the increase was non-
recurring costs and expenses of Ps. 25.4 million for a corporate
reorganization that transferred most personnel to services
subsidiaries and that is expected to improve operational
efficiency.

* Operating income decreased 16.0% to Ps. 170 million; the operating
margin was 34.3%.

* Adjusted EBITDA decreased 8.3% to Ps. 257 million, equivalent to a
51.7% margin.

* Net income was Ps. 130 million, a decrease of 5.4% over the prior
year period. Earnings per share were Ps. 0.33, or US$0.24 per
American Depositary Share (ADS).

* Capital expenditures were Ps. 163 million, principally for airport
terminal expansion and improvements, runways and platforms, and
machinery and equipment. Cash outflows for capex were Ps. 174
million.
First nine months 2008 (compared to the first nine months of 2007)

* Passenger traffic totaled 10.9 million in the nine months, an
increase of 2.9%. Domestic traffic grew 4.0%; international traffic
decreased 2.2%.

* Total net revenues increased 6.4% to Ps. 1,502 million.

* Cost of services and administrative expenses rose a combined 13.6%
to Ps. 570 million, as compared to Ps. 501 million in the same
period of 2007.

* Operating income decreased 4.5% to Ps. 544 million; the operating
margin was 36.2%.

* Adjusted EBITDA increased 2.2% to Ps. 812 million, equivalent to a
54.1% margin.

* Net income was Ps. 495 million, an increase of 17.4% over the prior
year period. Earnings per share were Ps. 1.25, or US$0.91 per
American Depositary Share (ADS).

* Capital expenditures for the first nine months of 2008 were Ps.
1,880 million. These investments include investments under the
Master Development Plan, as well as strategic investments,
particularly the acquisition of land reserves in key airports that
is essential for ensuring future growth. Cash outflows for capex
were Ps. 1,598 million.

* Cash and equivalents as of September 30, 2008 were Ps. 289 million.
OMA's full earnings report is available at http://ir.oma.aero

OMA will hold a conference call on October 24, 2008 at 12:30 pm EDT, 11:30 am
Mexico City time.

The conference call is accessible by calling (800) 762-8795 toll-free from the
U.S. or +1 (480) 629-9039 from outside the U.S. The confirmation code is
3934064. A taped replay will be available through October 31, 2008 at (800)
406-7325 toll free or +1 (303) 590-3030.

The conference call will also be available by webcast at
http://ir.oma.aero/events.cfm.

This report 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 most recent annual
report filed on Form 20-F 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.

About OMA

Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., 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, Mazatlan, and Zihuatanejo, and nine other regional
centers and border cities. OMA employs over 950 persons in order to offer
passengers and clients, airport and commercial services in facilities that
comply with all applicable international safety, security standards, and ISO
9001:2000. OMA's strategic shareholder members are ICA, Mexico's largest
engineering, procurement, and construction company, and Aeroports de Paris, the
third 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.

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CONTACT: OMA
Victor Bravo Martin, CFO
+52.81.8625.4300 ext.308
vbravo@oma.aero

Zemi Communications
Daniel Wilson
+1.212.689.9560
dbmwilson@zemi.com