General.

Highlights

Load factor 64.7%

Total revenues (millions of pesos) 9,271

EBITDAR (millions of pesos) 1,210

Operating income (millions of pesos) 80

Net income (millions of pesos) (296)

Second Quarter 2005 compared to Second Quarter 2004

Comparative Highlights Second Quarter

2005 2004 Variation

Load factor 64.7% 64.0% 0.7 p.p.

Total revenues (millions of pesos) 9,271 8,680 6.8%

EBITDAR (millions of pesos) 1,210 1,082 11.8%

EBITDAR (% of revenue) 13.0% 12.5% 0.5 p.p

Operating income (millions of pesos) 80 (65)

Operating income (% of revenue) 0.9% (0.7%)

Net income (loss) (millions of pesos) (296) (491) 39.7%

Available Seat and

Revenue Passenger Kilometers Second Quarter

2005 2004 Variation

ASKs (millions) 10,795 10,381 4.0%

RPKs (millions) 6,984 6,642 5.1%

Yield (Passenger income / RPKs)

(pesos) 1.121 1.112 0.8%

Cost per ASK(pesos) 0.819 0.823 (0.5%)

Cost per ASK without fuel (pesos) 0.624 0.676 (7.7%)