Exhibit 99.1 1 Dear shareholders, We're excited to provide an update on our progress over the past quarter. Eagle Line Update We inaugurated the Eagle Line pilot cell production line in February of this year, and it has already become the workhorse of our customer engagement, allowing an increased pace of customer sampling which is flowing into customer billings. Our progress on demonstrating scalable production has given us the confidence to take the next steps for production scale-up beyond the designed c ...