May 1 (Reuters) - Howmet Aerospace ( HWM ) on Thursday

raised its 2025 profit forecast on robust demand for the U.S.

supplier's fasteners and other critical aircraft parts as

planemakers try to produce more jets.

The updated outlook, which includes current assumptions on

tariff impacts, projects adjusted profit per share between $3.36

and $3.44, up from the previous forecast of $3.13 to $3.21.

The Pittsburgh-based supplier in February forecast

better-than-expected first-quarter revenue and profits on strong

aircraft demand, but had taken a conservative outlook for the

full year, as planemakers wrestle with delays and tariffs.

Howmet, which sells parts to planemakers Boeing ( BA ) and

Airbus, also warned customers by letter in April that

it could halt some shipments if impacted by tariffs announced by

U.S. President Donald Trump, Reuters reported.

The letter, which left room for negotiations over sharing

the cost of tariffs, comes as some companies in the fragile

aerospace supply chain attempt to pass on the burden of higher

costs due to U.S. duties on imported aluminum and steel and

parts from some countries.

The U.S. aviation industry is lobbying the White House for

exemptions from tariffs.

Howmet, one of the main suppliers of aerospace castings, is

also prioritizing long-term deals after a strong 2024, as it

sees fresh demand from customers after a major fire earlier this

year at its peer SPS Technologies' parts factory hit supply.

It reported a first-quarter revenue of $1.94 billion, up

6.4% from a year ago.