Frontier Airlines (F9, Denver International) plans to roll out first-class seats on its aircraft next year, moving away from the ultra-low-cost business model it has operated for decades.

In an interview with CNBC, chairman William Franke said Frontier was not trying to have first-class seating like at Singapore Airlines, but “what we are trying to do is give the consumer an option.”

ch-aviation reached out to Frontier Airlines for more details on the plans and the time and money to be invested in the retrofitting, but it was not immediately available.

The ultra-low-cost carrier’s fleet currently comprises six A320-200s, seventy-one A320-200Ns, twenty-one A321-200s, and sixty-nine A321-200NX.

The decision to add a first-class seating option follows a trend among certain carriers in the United States that are pushing a similar shift. Allegiant Air recently announced it would add a first class to its currently single-cabin aircraft, and JetBlue Airways is adding a domestic first class, CNBC reported.

“In the US market where you have mature large airlines, Delta Air Lines, United Airlines, American Airlines, who are changing the interior of their aircraft on a regular basis, it could well be that a low-cost or a lower-cost airline, in order to properly compete, needs to make adjustments to its business model,” Franke said.