The United Auto Workers union said on Friday it had disputed General Motors' latest offer and "if GM accepts and agrees to this set of proposals, we will have an interim agreement."
In a letter to union members, UAW Vice President Terry Dittes, who oversees the union's GM department, said talks would continue over the weekend to reach an interim agreement.
"Brothers and sisters, your support and perseverance have provided all this negotiating team with the energy to keep pushing and fighting for you, your families, your communities and all the men and women working in this country," said Dittes.
General Motors urged the UAW on Thursday to agree to negotiate 24 hours a day in an attempt to reach an interim agreement and potentially end the union strike against the automaker, which is now on its 26th day.
In a letter from CNBC on Thursday, GM Vice President North American Labor Relations Scott Sandefur criticized the union for not responding promptly to a company offer on Monday. He also encouraged the union to "negotiate all issues day and night to get a deal."
"The lives of its members and our employees are being disrupted and they deserve our commitment to solve the remaining problems as soon as possible," Sandefur wrote to Dittes.
Sandefur in the letter said the company repeatedly urged the UAW to participate in "24-hour" negotiations. Since the strike began on September 16, negotiations have been ongoing, but mostly ended early in the evening.
Sandefur's letter follows another message obtained by CNBC from Dittes to Sandefur, which discussed a Wednesday meeting between the union and the company that included UAW President Gary Jones and GM CEO Mary Barra, among others.
Barra, according to two people familiar with the talks, was "involved" in the talks. One source said it allowed Sandefur and others to lead day-to-day negotiations. Wednesday's meeting is the first that Barra attended with union leaders.
As part of its revised offer, GM has increased the amount it plans to invest in the United States to about $ 9 billion from the previous $ 7 billion offer, a source familiar with the offer said.
Of the new total, $ 7.7 billion would be invested directly in GM plants, with the remainder going to joint ventures, including a potential battery plant near the idle Lordstown, Ohio plant, the source said.
GM shares closed 2.6% at $ 35.57 on Friday.
The company said the offer also includes increased pay through wages and one-off payments, preserving the health sector's main benefits without increasing workers' costs, increased profit sharing with unlimited advantages and a higher ratification bonus than the other. $ 8,000 previously offered.
For temporary workers, GM said its offer would create a path to permanent employment and include a ratification bonus.
Read Terry Dittes' full letter to union members on Friday below:
Dear brothers and sisters of the Union:
Not long ago today, Friday, October 11, 2019, we proposed a counter-proposal to the company's latest offer, which included all of its pending proposals that are all at the head table and have not been resolved.
With this latest comprehensive proposal, if GM accepts and agrees to this group of proposals, we will have a Tentative Agreement.
An Interim Agreement will also include a review and approval of all language problems, as well as the economic terms approved by your elected Negotiating Committee.
We will continue to work again this weekend to reach an interim agreement on your behalf.
Brothers and sisters, your support and perseverance have given all of this negotiating team the energy to keep pushing and fighting for you, your families, your communities, and all the men and women who work in this country.
Vice President and Director
UAW General Motors Department