Exhibit 99.1 For Immediate Release Aspen Aerogels, Inc. Receives Conditional Commitment for Proposed DOE Loan and Provides Q3 2024 Preliminary Financial Results Proposed loan of up to $670.6 million would fund the remaining CAPEX needed to complete Company's second aerogel plant Interest rate at applicable U.S. Treasury Rate at the time of each cash draw Plant is expected to provide ~$1.2B - $1.6B of incremental PyroThin® thermal barrier revenue capacity Project financing structure, with Aspen Aerogels, Inc ...

Investors interested in Construction stocks should always be looking to find the best-performing companies in the group. Has Aspen Aerogels (ASPN) been one of those stocks this year? Let's take a closer look at the stock's year-to-date performance to find out.Aspen Aerogels is a member of the Construction sector. This group includes 88 individual stocks and currently holds a Zacks Sector Rank of #14. The Zacks Sector Rank gauges the strength of our 16 individual sector groups by measuring the average Zacks ...

Aspen Aerogels, Inc. (NYSE:ASPN) Q2 2024 Earnings Conference Call August 8, 2024 8:30 AM ET Company Participants Neal Baranosky - Senior Director, Head-Investor Relations & Corporate Strategy Don Young - President & Chief Executive Officer Ricardo Rodriguez - Chief Financial Officer & Treasurer Conference Call Participants George Gianarikas - Canaccord Colin Rusch - Oppenheimer Ryan Pfingst - B. Riley Dave Anderson - Barclays Eric Stine - Craig-Hallum Tom Curran - Seaport Research Partners Alex Potter - Pip ...

Revenue Growth - Revenue for the three months ended June 30, 2024, was $117,770,000, a significant increase from $48,158,000 in the same period of 2023, representing a growth of 144.5%[8] - Total revenue for the six months ended June 30, 2024, was $212.3 million, a significant increase from $93.7 million in the same period of 2023, representing a growth of approximately 126.3%[41] - Revenue from the U.S. market for the six months ended June 30, 2024, was $125.1 million, compared to $51.9 million in the same period of 2023, indicating a growth of approximately 141.5%[41] - Total revenue increased by $69.6 million, or 145%, to $117.8 million for the three months ended June 30, 2024, compared to $48.2 million in the same period in 2023[135] - Thermal barrier revenue was $80.8 million for the three months ended June 30, 2024, compared to $12.6 million for the same period in 2023, reflecting a significant increase in demand[138] - Thermal barrier revenue increased to $146.2 million for the six months ended June 30, 2024, compared to $24.3 million for the same period in 2023[155] Profitability - Net income for the three months ended June 30, 2024, was $16,818,000, a turnaround from a net loss of $15,423,000 in the same period of 2023[8] - For the six months ended June 30, 2024, the company reported a net income of $15.0 million, compared to a net loss of $32.2 million for the same period in 2023[17] - Net income for the six months ended June 30, 2024, was $16.8 million, compared to a net loss of $32.2 million for the same period in 2023[108] - The company reported a basic net income per share of $0.22 for the three months ended June 30, 2024, compared to a loss of $0.22 per share in the same period of 2023[8] Expenses - Operating expenses for the three months ended June 30, 2024, totaled $31,592,000, compared to $25,451,000 in the same period of 2023, an increase of 24.3%[8] - Research and development expenses for the three months ended June 30, 2024, were $4,565,000, up from $3,964,000 in the same period of 2023, reflecting a growth of 15.1%[8] - General and administrative expenses increased by $9.2 million, or 36%, to $34.7 million for the six months ended June 30, 2024, from $25.5 million in the comparable period[164] - Sales and marketing expenses increased by $2.0 million, or 13%, to $17.8 million for the six months ended June 30, 2024, compared to $15.8 million in the same period in 2023[162] Assets and Liabilities - Total current assets increased to $288,537,000 as of June 30, 2024, up from $266,331,000 at the end of 2023, reflecting a growth of 8.3%[7] - Total liabilities increased to $230,802,000 as of June 30, 2024, up from $214,993,000 at the end of 2023, representing a rise of 7.4%[7] - Total stockholders' equity increased to $517,827,000 as of June 30, 2024, up from $488,055,000 at the end of 2023, indicating a growth of 6.1%[11] - The company reported total inventories of $53.0 million as of June 30, 2024, up from $39.2 million at December 31, 2023, reflecting an increase of approximately 35.2%[46] Cash Flow - The company used $10.9 million in cash for operating activities, a significant improvement from $32.3 million used in the same period last year[17] - As of June 30, 2024, the company had unrestricted cash and cash equivalents of $91.4 million[17] - Cash and cash equivalents balance as of June 30, 2024, was $91.4 million, sufficient to support current operating requirements and initial capital expenditures[172] Research and Development - The company is increasing investment in research and development for next-generation aerogel products and manufacturing processes, particularly for the electric vehicle market[18] - Research and development expenses are expected to increase in absolute dollars while decreasing as a percentage of revenue in 2024, reflecting continued investment in new aerogel technologies[128] - The company is actively developing aerogel products for the EV market, including the PyroThin thermal barriers designed to enhance battery safety and performance[100] Market and Strategic Initiatives - The company is expanding aerogel manufacturing capacity and establishing an automated thermal barrier fabrication operation to meet expected growth in the EV market[101] - Contracts have been secured with major OEMs, including General Motors and Toyota, to supply thermal barriers for next-generation EV battery systems[102] - The company expects to achieve a target revenue capacity of approximately $650 million in 2024, supported by productivity improvements and external manufacturing facilities[106] - The U.S. Department of Energy has invited the company into the due diligence stage for a loan application related to the construction of a second manufacturing plant[107] Legal and Compliance - The company is involved in ongoing patent infringement proceedings in Italy and Korea, with significant legal developments occurring in 2023 and 2024[196][197] - The company has no material changes in its internal control over financial reporting as of June 30, 2024[193] - The company maintains effective disclosure controls and procedures to ensure timely reporting of required information[191]

August 8, 2024 ASPEN AEROGELS Q2 2024 FINANCIAL RESULTS CALL Disclaimer on Forward Looking Statements This presentation and any related discussion contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 that involve risks and uncertainties that could cause actual results to be materially different from historical results or from any future results expressed or implied by such forward-looking statements, including statements relating to Aspen's 2024 fi ...

Aspen Aerogels (ASPN) came out with quarterly earnings of $0.21 per share, beating the Zacks Consensus Estimate of $0.05 per share. This compares to loss of $0.22 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 320%. A quarter ago, it was expected that this maker of insulation products would post a loss of $0.13 per share when it actually produced earnings of $0.01, delivering a surprise of 107.69%.Over the last four quarters, ...

Exhibit 99.1 ($ in millions, except per share amounts) For Immediate Release Aspen Aerogels, Inc. Reports Second Quarter 2024 Financial Results and Recent Business Highlights Record quarterly revenues of $117.8 million, up 25% QoQ and 145% YoY Delivered $16.8 million of quarterly net income and $28.9 million of quarterly Adjusted EBITDA Increased 2024 revenue and profitability outlook for the second consecutive quarter NORTHBOROUGH, Mass., August 7, 2024 — Aspen Aerogels, Inc. (NYSE: ASPN) ("Aspen" or the " ...

Core Insights - Aspen Aerogels reported record quarterly revenues of $117.8 million, representing a 25% increase quarter-over-quarter (QoQ) and a 145% increase year-over-year (YoY) [1][5] - The company achieved a net income of $16.8 million, a significant turnaround from a net loss of $15.4 million in the same quarter last year [1][5] - Adjusted EBITDA for the quarter was $28.9 million, compared to a loss of $10.8 million in the second quarter of 2023 [2][5] - Aspen has increased its 2024 revenue and profitability outlook for the second consecutive quarter, projecting revenues to exceed $390 million, up from a prior estimate of over $380 million [4][5] Financial Performance - Total revenue for Q2 2024 was $117.8 million, with the Thermal Barrier segment generating $80.8 million (up 24% QoQ and 540% YoY) and the Energy Industrial segment contributing $36.9 million (up 27% QoQ and 4% YoY) [5][6] - Gross margins improved to 44%, reflecting a 7-percentage point increase QoQ and a 26-percentage point increase YoY [5][6] - Operating income reached $20.0 million, marking a 720% improvement QoQ and a $37.0 million increase YoY [5][6] Updated Financial Outlook - The updated 2024 financial outlook includes projected revenues exceeding $390 million, net income over $7 million, and Adjusted EBITDA exceeding $60 million [4][5] - The company anticipates a YoY revenue growth of 63% and an increase in earnings per share (EPS) to over $0.09 [4][5] Business Highlights - Aspen's business model demonstrated significant operating leverage, with strong revenue and profitability growth across both business segments [3][5] - The Energy Industrial segment is on track to deliver over $150 million in revenue for 2024, with a 94% QoQ increase in revenue from external manufacturing facilities [5][6] - The company is actively engaged with the U.S. Department of Energy regarding a potential loan, which could support its growth initiatives [7]

The market expects Aspen Aerogels (ASPN) to deliver a year-over-year increase in earnings on higher revenues when it reports results for the quarter ended June 2024. This widely-known consensus outlook is important in assessing the company's earnings picture, but a powerful factor that might influence its near-term stock price is how the actual results compare to these estimates.The earnings report, which is expected to be released on August 7, 2024, might help the stock move higher if these key numbers are ...

Over the past few trading days, the broader U.S. equity markets have been trading at record highs buoyed by optimism related to rate cuts driven by easing inflationary pressures and an uptick in the unemployment rate. Although the June labor market data revealed that the U.S. economy added higher-than-expected 206,000 nonfarm payrolls, unemployment rose to 4.1% compared with broad-based expectations of a flat curve at 4%.These ignited hopes of a possible rate cut as early as September. The optimism was furt ...