Market Opportunities - Beam's renewably energized products target three significant markets with annual global spending in the billions: electric vehicle charging infrastructure, outdoor media advertising, and energy security[17] - The electric vehicle (EV) infrastructure market is projected to receive $6 trillion in investments by 2040, with an expected 559 million EVs on the road by that year[43] - California has mandated that all new cars and passenger trucks sold will be zero-emission vehicles by 2035, with Washington State implementing a similar ban starting in 2030[41] - The company anticipates significant growth in the electric vehicle market over the next decade, positioning its products to benefit from this trend[137] Product Offerings - The EV ARC™ product is the world's first transportable, solar-powered EV charger, capable of charging between one and six EVs simultaneously and providing charging to as many as 12 parking spaces[21] - The EV-Standard™ product, currently in development, will utilize existing streetlamp foundations and grid connections to provide Level II EV charging, enhancing urban EV charging solutions[28] - Beam's products are designed to operate during grid outages, providing a reliable source of EV charging and emergency power, which is increasingly important as reliance on electricity grows[22] - Beam's products can significantly reduce greenhouse gas emissions, which may incentivize corporate sponsorships for the EV ARC™ systems[30] - Beam's products are designed for rapid deployment, offering a lower total cost of ownership as they do not incur utility bills for energy[64] - Beam's EV ARC™ can be deployed in remote locations without grid connections, providing flexibility and reducing installation costs compared to traditional grid-tied chargers[66] - The patented BeamTrak™ solar tracking solution increases energy generation by up to 25% compared to fixed arrays, enhancing product differentiation[66] Collaborations and Contracts - The company has entered a collaboration agreement with the City of San Diego to deploy solar-powered EV charging infrastructure across the city, known as the Driving on Sunshine network[32] - Beam has secured major contracts with the City of New York totaling approximately $5.7 million for EV ARC units, and a $2 million contract with Electrify America for 30 units[52][55] - The California Department of General Services contract has an estimated value exceeding $20 million, allowing various state agencies to purchase Beam's products[54] - The company aims to create a long-term recurring revenue stream through five-year sponsorship agreements for the Driving on Sunshine network, similar to the Citibike program in New York City[31] Financial Performance - Revenues increased from $5.1 million in 2019 to $6.2 million in 2020, with a more diversified customer base including municipalities, colleges, and federal customers[137] - For the year ended December 31, 2020, the company's revenues were $6,210,350, an increase of $1,098,805 or 21% compared to $5,111,545 in 2019[159] - The company reported a gross loss of $710,974 for the year ended December 31, 2020, which was an increase from a gross loss of $153,774 in 2019, representing 11% of net revenues in 2020 compared to 3% in 2019[160] - Total operating expenses increased by 44% to $4,496,660 for the year ended December 31, 2020, compared to $3,117,793 in 2019[162] - The company reported a net loss of $5,213,025 for the year ended December 31, 2020, compared to a net loss of $3,933,922 for the same period in 2019, reflecting an increase in losses of approximately 32.6%[166] - Cash provided by financing activities increased significantly to $27,350,387 in 2020 from $8,541,358 in 2019, representing an increase of approximately 219.5%[164] - The company's cash balance rose to $26,702,804 at December 31, 2020, compared to $3,849,456 at the end of 2019, marking an increase of approximately 694.5%[167] Operational Challenges - The company faces intense competition in the solar renewable energy and EV charging industries, with competitors having greater resources and market recognition[81] - The company may need to raise additional capital to sustain operations and fund investments, as it expects to incur further losses in the foreseeable future[76] - The company is subject to extensive government regulations, which could impact operations and financial results if changes occur[71] - The company has identified a material weakness in internal control over financial reporting, which could adversely affect its ability to report financial results accurately[115] - The company relies on key personnel, including CEO Desmond Wheatley, and the loss of such individuals could adversely affect operations and competitive advantage[93] - The company sources materials from various vendors, but reliance on single suppliers for certain components poses risks to operational profitability[99] Future Outlook - The company anticipates improvements in gross profit as revenues grow, driven by increased production volumes and cost efficiencies[174] - The company plans to outsource certain components and sub-assemblies to reduce costs and increase gross margins and factory output[161] - Management plans to enhance operations through the addition of sales personnel, cost management, and improved vendor negotiations to achieve profitable growth[175] - The company is focused on expanding its geographic footprint and customer base, currently operating in 23 U.S. states and three international countries[43] - Beam anticipates that the demand for EV charging infrastructure will grow more rapidly than current forecasts suggest, necessitating faster deployment of their products[42] Internal Controls and Governance - The Company identified material weaknesses in internal controls over financial reporting as of December 31, 2020, due to the lack of automated manufacturing and purchasing systems[188] - The effectiveness of internal control over financial reporting has not been audited due to the Company being exempt as a smaller reporting company[190] - The Company aims to strengthen internal controls and governance requirements following the identified weaknesses[189] - The Company has hired a Director of Operations and a Director of Engineering to assist with inventory management and strengthen controls[192] - The Company plans to decide on an Enterprise Resource Planning (ERP) system in the first half of 2021 to enhance inventory management[192] Risks and Uncertainties - Significant developments in alternative technologies could adversely affect demand for the company's offerings, potentially leading to product obsolescence and loss of market share[87] - Defects or performance issues in products may result in customer loss, reputational damage, and increased warranty claims, impacting revenue and operational results[88] - Compliance with environmental laws may increase costs for customers, potentially deterring purchases of certain products[107] - The company's media branding strategy may not yield profitable operations, as success depends on securing sponsorships and advertising deals[103] - The company's ability to sell branding opportunities is contingent on the availability of real estate and municipal approvals, which could impact financial results[109]

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report under Section 13 or 15 (d) of Securities Exchange Act of 1934 For the Period ended September 30, 2020 Commission File Number 000-53204 Beam Global (Exact name of Registrant as specified in its charter) Nevada 26-1342810 (State of Incorporation) (IRS Employer ID Number) 5660 Eastgate Dr. San Diego, California 92121 (858) 799-4583 (Address and telephone number of principal executive offices) En ...

Start Time: 16:30 January 1, 0000 5:16 PM ET Envision Solar International, Inc. (EVSI) Q2 2020 Earnings Conference Call August 13, 2020, 16:30 PM ET Company Participants Desmond Wheatley - President, CEO and Chairman Kathy McDermott - CFO Conference Call Participants Tate Sullivan - Maxim Group Operator Ladies and gentlemen, thank you for standing by. Good afternoon and welcome to the Envision Solar International Second Quarter 2020 Financial Results and Corporate Update Conference Call. At this time, all p ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report under Section 13 or 15 (d) of Securities Exchange Act of 1934 For the Period ended June 30, 2020 Commission File Number 000-53204 Envision Solar International, Inc. (Exact name of Registrant as specified in its charter) Nevada 26-1342810 (State of Incorporation) (IRS Employer ID Number) 5660 Eastgate Dr. San Diego, California 92121 (858) 799-4583 (Address and telephone number of principal exe ...

Envision Solar International, Inc. (EVSI) Q1 2020 Earnings Conference Call May 14, 2020 4:30 PM ET Company Participants Scott Gordon - President of Core IR Desmond Wheatley - President, CEO and Chairman Kathy McDermott - Chief Financial Officer Conference Call Participants Tate Sullivan - Maxim Group Adam Cote - Drummond Woodsum Operator Ladies and gentlemen, thank you for standing by. Good afternoon and welcome to the Envision Solar International First Quarter 2020 Financial Results and Corporate Update Co ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report under Section 13 or 15 (d) of Securities Exchange Act of 1934 For the Period ended March 31, 2020 Commission File Number 000-53204 Envision Solar International, Inc. (Exact name of Registrant as specified in its charter) Nevada 26-1342810 (State of Incorporation) (IRS Employer ID Number) 5660 Eastgate Dr. San Diego, California 92121 (858) 799-4583 (Address and telephone number of principal ex ...

Envision Solar International, Inc. (EVSI) Q4 2019 Earnings Conference Call March 30, 2020 4:30 PM ET Company Participants Scott Gordon - President, CORE IR Desmond Wheatley - President, CEO, and Chairman Katherine McDermott - CFO Conference Call Participants Tate Sullivan - Maxim Group Operator Ladies and gentlemen, thank you for standing by. Good afternoon and welcome to the Envision Solar International Full-Year 2019 Financial Results and Corporate Update Conference Call. [Operator Instructions] Partici ...

Part I [Item 1. Business](index=6&type=section&id=ITEM%201.%20BUSINESS.) Envision Solar International, Inc. designs and manufactures solar-powered products for EV charging, outdoor media, and energy security, leveraging rapid deployment and grid independence as key differentiators - The company's core business involves inventing, designing, and manufacturing solar-powered products for three primary markets: EV charging infrastructure, outdoor media advertising, and energy security/disaster preparedness[12](index=12&type=chunk)[13](index=13&type=chunk) - Key products include the patented **EV ARC™** (a transportable, solar-powered EV charger) and the **Solar Tree®** (a fixed, sun-tracking solar structure for larger applications), with **EV-Standard™** and **UAV ARC™** under development[16](index=16&type=chunk)[19](index=19&type=chunk)[21](index=21&type=chunk) - The company's main competitive advantages are the **rapid deployment** of its products, **lower total cost of ownership**, and the ability to **operate during power outages**[15](index=15&type=chunk)[45](index=45&type=chunk)[46](index=46&type=chunk) - Major customers include the **City of New York** and the **State of California**, with the City of New York and Monterey Bay Air Resources District representing **44%** and **22%** of 2019 revenue, respectively[36](index=36&type=chunk)[50](index=50&type=chunk) - As of December 31, 2019, the company had a sales backlog of **$2.0 million**, representing firm purchase orders for future deliveries[51](index=51&type=chunk) [Item 1A. Risk Factors](index=12&type=section&id=ITEM%201A.%20RISK%20FACTORS.) The company faces significant risks including recurring losses, capital needs, customer concentration, COVID-19 impacts, EV adoption dependency, intense competition, supply chain disruptions, and intellectual property challenges - The company has a history of recurring losses, with net losses of **$3.9 million** in 2019 and **$3.6 million** in 2018, and an accumulated deficit of **$45.8 million** as of December 31, 2019[57](index=57&type=chunk) - Revenue is highly concentrated, with the City of New York accounting for **44%** of 2019 revenues and **50%** in 2018, and Monterey Bay Air Resources District for **22%** in 2019[61](index=61&type=chunk) - The business is exposed to risks from the **COVID-19 pandemic**, which could disrupt manufacturing, operations, sales, and negatively impact demand due to a potential economic downturn[60](index=60&type=chunk) - Growth is highly dependent on the **consumer adoption of electric vehicles**, and any slowdown in the EV market could harm the company's financial results[62](index=62&type=chunk) - The company faces **intense competition** from traditional grid-tied EV charging stations and other solar energy companies, many with substantially greater resources[64](index=64&type=chunk) - **Material weaknesses in internal controls** have been identified, specifically related to the segregation of duties and the lack of automated manufacturing or purchasing systems, which could impact timely and accurate financial reporting[96](index=96&type=chunk) [Item 1B. Unresolved Staff Comments](index=20&type=section&id=ITEM%201B.%20UNRESOLVED%20STAFF%20COMMENTS.) The company reports no unresolved staff comments from the SEC - None[101](index=101&type=chunk) [Item 2. Properties](index=20&type=section&id=ITEM%202.%20PROPERTIES.) The company's headquarters and manufacturing facility are in a leased 50,000 square foot space in San Diego, California, with the sublease extending through August 30, 2020 - The company leases approximately **50,000 square feet** of office and warehouse space for its headquarters in San Diego, California[102](index=102&type=chunk) - The current sublease extends through August 30, 2020[102](index=102&type=chunk) [Item 3. Legal Proceedings](index=20&type=section&id=ITEM%203.%20LEGAL%20PROCEEDINGS.) As of the report date, the company is not involved in any open litigation matters - The Company is not involved in any open litigation matters as of December 31, 2019, and the date of the report[103](index=103&type=chunk) [Item 4. Mine Safety Disclosures](index=20&type=section&id=ITEM%204.%20MINE%20SAFETY%20DISCLOSURES.) This item is not applicable to the company's operations - Not Applicable[103](index=103&type=chunk) Part II [Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities](index=21&type=section&id=ITEM%205.%20MARKET%20FOR%20REGISTRANT%27S%20COMMON%20EQUITY%2C%20RELATED%20STOCKHOLDER%20MATTERS%20AND%20ISSUER%20PURCHASES%20OF%20EQUITY%20SECURITIES.) The company's common stock trades on NASDAQ under "EVSI", with no history or anticipation of cash dividends, and details provided on 2019 stock issuances and director compensation changes - The company's common stock is traded on the **NASDAQ Capital Market** under the symbol "**EVSI**"[104](index=104&type=chunk) - The company has not declared or paid any cash dividends and does not anticipate paying any in the foreseeable future[105](index=105&type=chunk) - In 2019, the company issued a total of **33,750 shares** of common stock to directors that vested from restricted stock grants for their services[105](index=105&type=chunk)[106](index=106&type=chunk) - On September 17, 2019, the Board approved a **new compensation structure** for non-employee directors, including a quarterly cash retainer, annual restricted stock grants, and meeting attendance fees[107](index=107&type=chunk) [Item 6. Selected Financial Data](index=22&type=section&id=ITEM%206.%20SELECTED%20FINANCIAL%20DATA.) This item is not applicable - Not applicable[110](index=110&type=chunk) [Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=22&type=section&id=ITEM%207.%20MANAGEMENT%27S%20DISCUSSION%20AND%20ANALYSIS%20OF%20FINANCIAL%20CONDITION%20AND%20RESULTS%20OF%20OPERATIONS.) In FY2019, revenue decreased 17% to $5.1 million due to fewer unit sales, while gross loss improved 20% despite a 33% rise in operating expenses, leading to a 9% higher net loss of $3.9 million, though liquidity significantly improved from a $12 million public offering [Results of Operations](index=26&type=section&id=Results%20of%20Operations) In FY2019, revenues decreased 17% to $5.1 million due to fewer EV ARC™ unit sales, while gross loss narrowed 20% to $153,774, but operating expenses increased 33% to $3.1 million, resulting in a 9% wider net loss of $3.9 million Comparison of Results of Operations (FY 2019 vs. FY 2018) | Financial Metric | FY 2019 | FY 2018 | Change (%) | | :--- | :--- | :--- | :--- | | **Revenue** | $5,111,545 | $6,162,402 | -17% | | **Gross Loss** | ($153,774) | ($192,100) | -20% | | **Operating Expenses** | $3,117,793 | $2,337,446 | +33% | | **Interest Expense** | $716,337 | $1,089,223 | -34% | | **Net Loss** | ($3,933,922) | ($3,598,780) | +9% | - The **17% decrease in revenue** was primarily due to the sale of **65 EVARC™ units** in 2019 compared to **90 units** in 2018, with delays in some orders pushing them into fiscal 2020[136](index=136&type=chunk) - The **33% increase in operating expenses** was mainly due to higher R&D costs for new products (EV ARC 2020, DC Fast Charging), severance and recruiting costs, investor relations, and Nasdaq fees[138](index=138&type=chunk) [Liquidity and Capital Resources](index=27&type=section&id=Liquidity%20and%20Capital%20Resources) The company's cash increased to $3.8 million in 2019 from $0.2 million in 2018, driven by a public offering that repaid debt and improved working capital from a $2.8 million deficit to a $5.1 million surplus, though it still relies on capital raises Summary of Cash Flows (FY 2019 vs. FY 2018) | Cash Flow Activity | FY 2019 | FY 2018 | | :--- | :--- | :--- | | **Net cash used in operating activities** | ($4,826,340) | ($712,456) | | **Net cash used in investing activities** | ($109,586) | ($32,282) | | **Net cash provided by financing activities** | $8,541,358 | $585,287 | - Cash position increased from **$244,024** at year-end 2018 to **$3,849,456** at year-end 2019[142](index=142&type=chunk) - In April 2019, the company closed a public offering, raising gross proceeds of approximately **$12 million**, which was used to repay debt[153](index=153&type=chunk) - Working capital improved from a deficit of **$2,759,580** at the end of 2018 to a positive **$5,142,719** at the end of 2019, mainly due to the payoff of debt and reduction of accounts payable[148](index=148&type=chunk) [Item 7A. Quantitative and Qualitative Disclosures About Market Risk](index=29&type=section&id=ITEM%207A.%20QUANTITATIVE%20AND%20QUALITATIVE%20DISCLOSURES%20ABOUT%20MARKET%20RISK.) This item is not applicable - Not applicable[158](index=158&type=chunk) [Item 8. Financial Statements and Supplementary Data](index=29&type=section&id=ITEM%208.%20FINANCIAL%20STATEMENTS%20AND%20SUPPLEMENTARY%20DATA.) The company's financial statements are provided, beginning on page F-1 of the report - The financial statements required by this item begin on page F-1[158](index=158&type=chunk) [Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure](index=29&type=section&id=ITEM%209.%20CHANGES%20IN%20AND%20DISAGREEMENTS%20WITH%20ACCOUNTANTS%20ON%20ACCOUNTING%20AND%20FINANCIAL%20DISCLOSURE.) The company reports no changes in or disagreements with its accountants on accounting and financial disclosure - None[158](index=158&type=chunk) [Item 9A. Controls and Procedures](index=30&type=section&id=ITEM%209A.%20CONTROLS%20AND%20PROCEDURES) Management concluded that disclosure controls and procedures were ineffective as of December 31, 2019, due to material weaknesses including lack of segregation of duties and absence of automated systems, with corrective actions planned for 2020 - Management concluded that disclosure controls and procedures were **not effective** as of December 31, 2019, due to **material weaknesses** in internal controls[161](index=161&type=chunk) - Material weaknesses identified include: **lack of segregation of duties** due to limited staff, and the **absence of automated manufacturing or purchasing systems** for inventory tracking and costing[164](index=164&type=chunk)[165](index=165&type=chunk) - Corrective actions include **hiring a new accounting staff member** in February 2020 to improve segregation of duties and searching for a **new ERP system** to implement in 2020[169](index=169&type=chunk)[170](index=170&type=chunk) [Item 9B. Other Information](index=32&type=section&id=ITEM%209B.%20OTHER%20INFORMATION.) The company reports no other information - None[171](index=171&type=chunk) Part III [Item 10. Directors, Executive Officers and Corporate Governance](index=33&type=section&id=ITEM%2010.%20DIRECTORS%2C%20EXECUTIVE%20OFFICERS%20AND%20CORPORATE.) Information for this item will be incorporated by reference from the company's definitive proxy statement, to be filed within 120 days of the fiscal year-end - Information will be incorporated by reference from the definitive proxy statement[173](index=173&type=chunk) [Item 11. Executive Compensation](index=33&type=section&id=ITEM%2011.%20EXECUTIVE%20COMPENSATION.) Information for this item will be incorporated by reference from the company's definitive proxy statement, to be filed within 120 days of the fiscal year-end - Information will be incorporated by reference from the definitive proxy statement[174](index=174&type=chunk) [Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters](index=33&type=section&id=ITEM%2012.%20SECURITY%20OWNERSHIP%20OF%20CERTAIN%20BENEFICIAL%20OWNERS%20AND%20MANAGEMENT%20AND%20RELATED%20STOCKHOLDER%20MATTERS.) Information for this item will be incorporated by reference from the company's definitive proxy statement, to be filed within 120 days of the fiscal year-end - Information will be incorporated by reference from the definitive proxy statement[175](index=175&type=chunk) [Item 13. Certain Relationships and Related Transactions, and Director Independence](index=33&type=section&id=ITEM%2013.%20CERTAIN%20RELATIONSHIPS%20AND%20RELATED%20TRANSACTIONS%2C%20AND%20DIRECTOR%20INDEPENDENCE.) Information for this item will be incorporated by reference from the company's definitive proxy statement, to be filed within 120 days of the fiscal year-end - Information will be incorporated by reference from the definitive proxy statement[176](index=176&type=chunk) [Item 14. Principal Accounting Fees and Services](index=33&type=section&id=ITEM%2014.%20PRINCIPAL%20ACCOUNTING%20FEES%20AND%20SERVICES.) Information for this item will be incorporated by reference from the company's definitive proxy statement, to be filed within 120 days of the fiscal year-end - Information will be incorporated by reference from the definitive proxy statement[177](index=177&type=chunk) Part IV [Item 15. Exhibits, Financial Statement Schedules](index=34&type=section&id=ITEM%2015.%20EXHIBITS%2C%20FINANCIAL%20STATEMENT%20SCHEDULES.) This section confirms financial statements begin on page F-1, notes the absence of financial statement schedules, and lists various exhibits filed with the report - The financial statements are submitted in a separate section beginning on page F-1[179](index=179&type=chunk) - No financial statement schedules are included[179](index=179&type=chunk) [Item 16. Form 10-K Summary](index=37&type=section&id=ITEM%2016.%20FORM%2010-K%20SUMMARY) This item is not applicable - Not applicable[187](index=187&type=chunk) Financial Statements [Financial Statements Overview](index=40&type=section&id=Financial%20Statements%20Overview) In 2019, Envision Solar reported a net loss of $3.93 million, but its financial position significantly improved with total assets increasing to $7.29 million and stockholders' equity turning positive to $5.82 million, primarily due to a public offering that repaid debt and boosted cash to $3.85 million Key Financial Statement Data (2019 vs. 2018) | Metric | 2019 | 2018 | | :--- | :--- | :--- | | **Total Assets** | $7,286,999 | $3,487,192 | | **Total Liabilities** | $1,462,837 | $5,967,871 | | **Total Stockholders' Equity (Deficit)** | $5,824,162 | ($2,480,679) | | **Revenues** | $5,111,545 | $6,162,402 | | **Net Loss** | ($3,933,922) | ($3,598,780) | | **Net Loss Per Share** | ($0.88) | ($1.24) | [Notes to Financial Statements](index=46&type=section&id=Notes%20to%20Financial%20Statements) The notes detail accounting policies, liquidity, debt, and equity, highlighting the 2019 adoption of ASC 842, the impact of a public offering on working capital and debt repayment, and significant customer concentration risk - The company adopted the new lease accounting standard **ASC 842** on January 1, 2019, recognizing a right-of-use asset and a corresponding lease liability for its operating lease[218](index=218&type=chunk)[254](index=254&type=chunk) - In April and May 2019, the company closed a public offering that generated gross proceeds of **$13.2 million**, which was used to pay off debt and fund operations[245](index=245&type=chunk)[295](index=295&type=chunk) - The company has **significant customer concentration**, with two customers accounting for **44%** and **22%** of total revenues in 2019, and one customer for **50%** in 2018[209](index=209&type=chunk) - Following the public offering in April 2019, the company **paid off its convertible line of credit** and **all outstanding convertible notes payable** (except for a related-party note to the CEO), and another note payable[257](index=257&type=chunk)[270](index=270&type=chunk)[283](index=283&type=chunk) - As of December 31, 2019, the company has a net operating loss carryforward of **$32.2 million** to offset future taxable income, though its utilization may be subject to limitations[335](index=335&type=chunk)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report under Section 13 or 15 (d) of Securities Exchange Act of 1934 For the Period ended September 30, 2019 Commission File Number 000-53204 Envision Solar International, Inc. (Exact name of Registrant as specified in its charter) Nevada 26-1342810 (State of Incorporation) (IRS Employer ID Number) 5660 Eastgate Dr. San Diego, California 92121 (858) 799-4583 (Address and telephone number of principa ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report under Section 13 or 15 (d) of Securities Exchange Act of 1934 For the Period ended June 30, 2019 Commission File Number 000-53204 Envision Solar International, Inc. (Exact name of Registrant as specified in its charter) Nevada 26-1342810 (State of Incorporation) (IRS Employer ID Number) 5660 Eastgate Dr. San Diego, California 92121 (858) 799-4583 (Address and telephone number of principal exe ...