EXHIBIT 99.1

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News Release

North American Construction Group Ltd. Announces Results for the Second Quarter Ended June 30, 2026
Raises Full Year 2026 Combined Revenue Guidance on Record Q2 Top-Line Performance
ACHESON, Alberta, August 12, 2026 - North American Construction Group Ltd. ("NACG") (TSX:NOA/NYSE:NOA) today announced results for the second quarter ended June 30, 2026. Unless otherwise indicated, figures are expressed in Canadian dollars, and comparisons are to the prior period ended June 30, 2025.
Second Quarter 2026 Financial Highlights
Revenue:
•Combined revenue of $456.1 million, up $85.5 million or 23% year-over-year
•Reported revenue of $401.0 million, up $80.3 million or 25% year-over-year
Profitability:
•Adjusted EBITDA of $93.5 million, up $13.4 million or 17% year-over-year
•Adjusted net earnings of $8.5 million, up $7.7 million year-over-year
•Net income of $9.4 million, down $0.9 million or 9% year-over-year
Cash flow:
•Free cash flow of $23.0 million inflow, up $23.4 million year-over-year
Second Quarter 2026 Operational & Corporate Highlights
NACG delivered record revenue and higher adjusted EBITDA in the second quarter, supported by the contribution from IMC, organic growth in Australia and improved joint venture earnings.
•Our Australian operations delivered robust revenue growth of approximately 65% year-over-year, with the majority of the increase reflecting IMC's contribution following the April 7, 2026, acquisition. The MacKellar and DGI businesses also delivered organic growth driven by strong project execution, prior-period growth asset investments, and favourable foreign exchange translation rates. Gross profit in the Australian business remained strong, with a modest year-over-year decline in the margin as depreciation increased on recently commissioned equipment.
•On April 7, 2026, we completed the acquisition of Iron Mine Contracting ("IMC"), comprising DCL Corp Pty Ltd. and Iron Hire Pty Ltd., a diversified mining services contractor in Western Australia. The IMC acquisition positions NACG as a national Tier 1 contractor in Australia, broadens our client base across base metals, precious metals, and critical and rare earth minerals, and is expected to reduce our exposure to regional seasonality. Under the acquisition agreement, we are entitled to IMC's economic benefit from January 1, 2026, which is reflected in our combined revenue, gross profit, adjusted net earnings, adjusted EBIT, and adjusted EBITDA.
•In Canada, margin performance benefited from our ongoing fleet optimization strategy, including the 2025 Q4 divestiture of ultra-class haul trucks, with depreciation as a percentage of revenue declining year-over-year, one of the financial benefits of our fleet initiatives. Revenue declined year-over-year due to the reduction in operating capacity from the fleet divestiture, lower activity at the Syncrude mines, spring break-up seasonal impacts, and adverse weather conditions, partially offset by increased support at the Millennium mine and the ramp-up of the Kearl project.


•Equity earnings improved significantly year-over-year, driven primarily by the Fargo-Moorhead flood diversion project returning to profitability after a margin forecast adjustment weighed on the prior year period. MNALP remained a consistent positive contributor, and the IMC PKKPE joint venture, added through the IMC acquisition, delivered a solid first-quarter contribution.
"Record revenue of more than $450 million demonstrates both the growing scale of the business and the demand across our markets. With work in hand, seasonal momentum and recent scope expansions, we remain confident in the $400 million midpoint of our 2026 adjusted EBITDA guidance," commented Barry Palmer, President and Chief Executive Officer.
"Our priorities for the second half are clear: execute the work in hand, improve fleet availability and utilization, convert earnings into free cash flow and allocate that capital toward the strongest risk-adjusted returns. The inflection point of the second quarter is not simply greater scale, but our ability to translate that scale into improved performance and durable value. We believe the combination of near-term earnings drivers and a substantial, qualified growth pipeline positions NACG for a stronger second half and continued momentum into 2027."
Financial Results for the Second Quarter 2026
Combined revenue and reported revenue were generated during the quarter by the following primary segments:
•Heavy Equipment - Australia revenue increased 65% to $277.5 million, reflecting $84.5 million of reported revenue from IMC following its April 7, 2026, acquisition and organic growth of approximately $24.9 million from the legacy Australian business.
•Heavy Equipment - Canada revenue decreased 17% to $121.8 million, primarily due to the 2025 Q4 divestiture of ultra-class haul trucks, lower Syncrude activity, and spring break-up impacts, partially offset by ramp-up of the Kearl project.
•Revenue from joint ventures and affiliates declined 1% to $49.7 million, reflecting lower MNALP volumes, partially offset by the first contribution from the IMC PKKPE joint venture.
Gross profit increased to $43.4 million (10.8% margin) from $35.8 million (11.2% margin) in 2025 Q2. Combined gross profit was $49.9 million (10.9% margin), up from $33.4 million (9.0% margin) in the prior year, driven by IMC's $10.5 million contribution, a $7.6 million improvement from core segments, and Fargo's return to profitability. Both gross profit measures exceeded 2026 Q1 results.
Adjusted EBITDA was $93.5 million, up $13.4 million year-over-year, with IMC contributing $13.1 million. Adjusted EBITDA margin was 20.5%, compared to 21.6% in 2025 Q2, principally reflecting IMC's margin profile.
Adjusted net earnings for the quarter were $8.5 million, up significantly from $0.8 million in the prior year period. Adjusted EPS was $0.32, up significantly from $0.02 in 2025 Q2. The increase in both metrics is driven by stronger gross profit, improved equity earnings, and reduced interest accretion, partially offset by higher interest expense on growth-related debt.
Quarterly net income of $9.4 million was below the prior year's $10.3 million, as higher general and administrative costs, driven by $4.8 million of acquisition and integration activities, combined with increased interest expense to more than offset gains in gross profit. Basic net income per share was $0.35, consistent with 2025 Q2.
Free cash flow was $23.0 million, improving $23.4 million year-over-year. Cash generation was supported by $93.5 million in adjusted EBITDA, offset by $62.5 million in sustaining capital, and $18.2 million in cash interest.
Declaration of Quarterly Dividend
On August 11, 2026, the NACG Board of Directors declared a regular quarterly dividend (the “Dividend”) of twelve Canadian cents ($0.12) per common share, payable to common shareholders of record at the close of business on August 28, 2026. The Dividend will be paid on October 2, 2026, and is an eligible dividend for Canadian income tax purposes.


Outlook for 2026 - Raised Full Year 2026 Combined Revenue Guidance
Our operational priorities for 2026 are:
•Safety - safety-first mentality across all global operations - ensuring EVERYONE GETS HOME SAFE;
•Australian workforce mix - optimize heavy equipment maintenance workforce mix in Australia, following the improvements implemented in the second half of 2025;
•Cost reduction - following two years of major growth in Queensland, review and reduce discretionary operating costs while fully maintaining customer requirements;
•Integration - with the Iron Mine Contracting transaction now complete, continued commissioning of expanded fleet in Western Australia to support growth and operational scale;
•Civil execution - deliver the successful completion of the Fargo-Moorhead flood diversion project, reinforcing our large-scale civil execution capabilities; and
•Mechanical availability - continue to improve mechanical availability and reliability of a right-sized heavy equipment fleet in the oil sands region.
Our growth drivers for 2026 and beyond are the strategic building blocks of our success:
•Scaling into a Tier 1 Contractor in Australia - provides ability to secure larger scopes in the much sought-after mining regions of Western Australia and Queensland;
•Securing infrastructure awards across North America - targeting nation-building projects in Canada and mass civil earthwork scopes in the United States for which we have deep experience and expertise; and
•Expanding mining services in Canada and the United States - leveraging our over 70 years of experience, ensuring we are front and center as ever-increasing mine scopes in both countries are issued and awarded.
Based on stronger-than-expected first-half revenue, we have increased our 2026 combined revenue guidance range to $1.6 to $1.8 billion, raising the midpoint to $1.7 billion from $1.6 billion. Adjusted EBITDA and free cash flow guidance remain $380 to $420 million and $110 to $130 million, respectively, given first-half generation came in largely as expected. The outlook is supported by our fleet capacity and contractual backlog of $3.8 billion.
Key measuresCurrent OutlookPrevious Outlook
Combined revenue(i)
$1.6 - $1.8B$1.5 - $1.7B
Adjusted EBITDA(i)
$380 - $420MNo change
Free cash flow(i)
$110 - $130MNo change
(i)See "Non-GAAP Financial Measures".



Results for the three and six months ended June 30, 2026
Consolidated Financial Highlights
Three months endedSix months ended
June 30,June 30,
(dollars in thousands, except per share amounts)2026202520262025
Revenue$400,963 $320,634 $720,182 $661,467 
Cost of sales298,097 230,293 518,494 472,521 
Depreciation59,456 54,511 115,465 115,225 
Gross profit$43,410 $35,830 $86,223 $73,721 
Gross profit margin(i)
10.8 %11.2 %12.0 %11.1 %
Total combined revenue(i)
456,082 370,628 878,605 761,792 
Combined gross profit(i)
$49,870 $33,396 $107,551 $77,082 
Combined gross profit margin(i)
10.9 %9.0 %12.2 %10.1 %
General and administrative expenses (excluding stock-based compensation)(i)
20,086 11,698 37,887 22,788 
Stock-based compensation expense (benefit)230 964 2,868 (2,444)
Operating income20,537 22,789 42,422 53,371 
Interest expense, net18,880 14,123 35,570 27,639 
Net income9,376 10,250 14,930 16,413 
Comprehensive income19,607 9,691 49,897 16,332 
Adjusted EBITDA(i)
93,467 80,113 192,939 180,045 
Adjusted EBITDA margin(i)(ii)
20.5 %21.6 %22.0 %23.6 %
Free cash flow(i)
23,029 (376)28,022 (41,951)
Per share information
Basic net income per share$0.35 $0.35 $0.55 $0.57 
Diluted net income per share$0.34 $0.33 $0.53 $0.55 
Adjusted EPS(i)
$0.32 $0.02 $0.69 $0.54 
(i)See "Non-GAAP Financial Measures".
(ii)Adjusted EBITDA margin is calculated using adjusted EBITDA over total combined revenue.
Conference Call and Webcast
Management will hold a conference call and webcast to discuss our financial results for the quarter ended June 30, 2026, tomorrow, Thursday, August 13, 2026, at 9:00 am Eastern Time (7:00 am Mountain Time).
The call can be accessed by dialing:
Toll Free: 1-800-717-1738
Conference ID: 40245

A replay will be available through September 12, 2026, by dialing:
Toll Free: 1-888-660-6264
Conference ID: 40245
Playback Passcode: 40245

A slide deck for the webcast will be available for download the evening prior to the call and will be found on the Company’s website at www.nacg.ca/presentations/
The live presentation and webcast can be accessed at:
https://onlinexperiences.com/scripts/Server.nxp?LASCmd=AI:4;F:QS!10100&ShowUUID=74511C07-BB07-4170-A51A-A1FE7E23F554
A replay will be available until September 12, 2026, using the link provided.


About the Company
North American Construction Group Ltd. is a premier provider of heavy civil construction and mining services in Australia, Canada, and the U.S. For over 70 years, NACG has provided services to the mining, resource, and infrastructure construction markets.
For further information contact:
Jason Veenstra, CPA, CA
Chief Financial Officer
North American Construction Group Ltd.
(780) 960.7171
ir@nacg.ca
www.nacg.ca
Basis of Presentation
We have prepared our consolidated financial statements in conformity with accounting principles generally accepted in the United States ("US GAAP"). Unless otherwise specified, all dollar amounts discussed are in Canadian dollars. Please see the Management’s Discussion and Analysis ("MD&A") for the quarter ended June 30, 2026, for further detail on the matters discussed in this release. In addition to the MD&A, please reference the dedicated 2026 Q2 Results Presentation for more information on our results and projections, which can be found on our website under Investors - Presentations.
Forward-Looking Information
The information provided in this release contains forward-looking statements. Forward-looking statements include statements preceded by, followed by, or that include the words "anticipate", "believe", "expect", "should" or similar expressions and include guidance with respect to financial metrics provided in our outlook for 2026.
The material factors or assumptions used to develop the above forward-looking statements include, and the risks and uncertainties to which such forward-looking statements are subject, are highlighted in the MD&A for the three and six months ended June 30, 2026. Actual results could differ materially from those contemplated by such forward-looking statements because of any number of factors and uncertainties, many of which are beyond NACG’s control. Undue reliance should not be placed upon forward-looking statements and NACG undertakes no obligation, other than those required by applicable law, to update or revise those statements. For more complete information about NACG, please read our disclosure documents filed with the SEC and the CSA. These free documents can be obtained by visiting EDGAR on the SEC website at www.sec.gov or on the CSA website at www.sedarplus.com and on our company website at www.nacg.ca.


Non-GAAP Financial Measures
This press release presents certain non-GAAP financial measures, non-GAAP ratios, and supplementary financial measures that may be useful to investors in analyzing our business performance, leverage, and liquidity. A non-GAAP financial measure is defined by relevant regulatory authorities as a numerical measure of an issuer's historical or future financial performance, financial position or cash flow that is not specified, defined or determined under the issuer’s GAAP and that is not presented in an issuer’s financial statements. A "non-GAAP ratio" is a ratio, fraction, percentage or similar expression that has a non-GAAP financial measure as one or more of its components. Non-GAAP financial measures and ratios do not have standardized meanings under GAAP and therefore may not be comparable to similar measures presented by other issuers. They should not be considered in isolation or as a substitute for measures of performance prepared in accordance with GAAP. A "supplementary financial measure" is a financial measure disclosed, or intended to be disclosed, on a periodic basis to depict historical or future financial performance, financial position or cash flows that does not fall within the definition of a non-GAAP financial measure or non-GAAP ratio. The non-GAAP financial measures and ratios we present include, "adjusted EBIT", "adjusted EBITDA", "adjusted EBITDA margin", "adjusted EPS", "adjusted net earnings", "backlog", "capital additions", "capital expenditures, net", "capital inventory", "capital work in progress", "cash liquidity", "cash related interest expense", "cash provided by operating activities prior to change in working capital", "combined backlog", "combined gross profit", "combined gross profit margin", "equity investment depreciation and amortization", "equity investment EBIT", "equity method investment backlog", "free cash flow", "general and administrative expenses (excluding stock-based compensation)", "growth capital", "growth spending", "invested capital", "margin", "net debt", "net debt leverage", "senior-secured debt", "share of affiliate and joint venture capital additions", "sustaining capital", "total capital liquidity", "total combined revenue", and "total debt". We also use supplementary financial measures such as "gross profit margin" and "total net working capital (excluding cash and current portion of long-term debt)" in our MD&A. Each non-GAAP financial measure used in this press release is defined under "Financial Measures" in our Management's Discussion and Analysis filed on EDGAR on the SEC website at www.sec.gov or on the CSA website at www.sedarplus.com and on our company website at www.nacg.ca.


Reconciliation of net income to adjusted net earnings, adjusted EBIT and adjusted EBITDA
Three months endedSix months ended
June 30,June 30,
(dollars in thousands)2026202520262025
Net income$9,376 $10,250 $14,930 $16,413 
Adjustments:
Stock-based compensation expense (benefit)230 964 2,868 (2,444)
Loss (gain) on disposal of property, plant and equipment1,330 (110)1,260 (1,084)
Equity investment (gain) loss on disposal of property, plant and equipment(137)155 (96)157 
Unrealized foreign exchange loss2,294 — 1,489 — 
Change in FV of contingent obligations - estimate adjustments(12,122)(17,485)(16,376)(18,802)
(Gain) loss on derivative financial instruments(75)750 750 7,662 
Equity investment loss on derivative financial instruments342 892 800 1,911 
IMC economic benefit - net income103 — 2,307 — 
IMC acquisition and integration costs1,777 — 3,111 — 
Canadian organizational realignment costs3,071 — 5,750 — 
Depreciation expense relating to early component failures— — — 4,274 
Post-acquisition asset relocation and integration costs— — — 1,640 
Tax effect of the above items2,342 5,390 1,890 5,690 
Adjusted net earnings(i)
$8,531 $806 $18,683 $15,417 
Adjustments:
Tax effect of the above items (2,342)(5,390)(1,890)(5,690)
Income tax expense3,796 5,771 8,039 10,015 
Equity investment EBIT(i)
2,566 (5,212)5,698 (1,904)
Equity (earnings) loss in affiliates and joint ventures(2,093)5,133 (4,869)1,850 
Change in FV of contingent obligations - interest accretion2,775 4,247 4,378 8,594 
IMC economic benefit - interest and tax expense88 — 1,737 — 
Interest expense, net18,880 14,123 35,570 27,639 
Adjusted EBIT(i)
$32,201 $19,478 $67,346 $55,921 
Adjustments:
Depreciation59,456 54,511 115,465 115,225 
Amortization of intangible assets1,227 489 1,786 1,090 
Equity investment depreciation and amortization3,188 5,635 6,581 12,083 
IMC economic benefit - depreciation and amortization466 — 4,832 — 
Write-down expense relating to Canadian organizational realignment costs(3,071)— (3,071)— 
Depreciation expense relating to early component failures — — — (4,274)
Adjusted EBITDA(i)
$93,467 $80,113 $192,939 $180,045 
Adjusted EBITDA margin(i)(ii)
20.5 %21.6 %22.0 %23.6 %
(i)See "Non-GAAP Financial Measures".
(ii)Adjusted EBITDA margin is calculated using adjusted EBITDA over total combined revenue.
Reconciliation of equity earnings in affiliates and joint ventures to equity investment EBIT
Three months endedSix months ended
June 30,June 30,
2026202520262025
Equity earnings in affiliates and joint ventures$2,093 $(5,133)$4,869 $(1,850)
Adjustments:
Income tax benefit(14)(262)(93)(208)
Interest expense, net487 183 922 154 
Equity investment EBIT(i)
$2,566 $(5,212)$5,698 $(1,904)
(i) See "Non-GAAP Financial Measures".


Reconciliation of total reported revenue to total combined revenue
Three months endedSix months ended
June 30,June 30,
(dollars in thousands)2026202520262025
Revenue from wholly-owned entities per financial statements$400,963 $320,634 $720,182 $661,467 
Share of revenue from investments in affiliates and joint ventures112,266 121,843 215,443 257,740 
IMC economic benefit - revenue5,413 — 70,096 — 
Elimination of joint venture subcontract revenue(62,560)(71,849)(127,116)(157,415)
Total combined revenue(i)
$456,082 $370,628 $878,605 $761,792 
(i) See "Non-GAAP Financial Measures".
Reconciliation of reported gross profit to combined gross profit
Three months endedSix months ended
June 30,June 30,
(dollars in thousands)2026202520262025
Gross profit from wholly-owned entities per financial statements$43,410 $35,830 $86,223 $73,721 
Share of gross profit (loss) from investments in affiliates and joint ventures5,522 (2,434)10,396 3,361 
IMC economic benefit - gross profit938 — 10,932 — 
Combined gross profit(i)(ii)
$49,870 $33,396 $107,551 $77,082 
Combined gross profit margin(i)(ii)
10.9 %9.0 %12.2 %10.1 %
(i)See "Non-GAAP Financial Measures".
(ii) Certain prior period costs within the Fargo joint venture have been reclassified from non-operating to operating to better align with NACG classifications. This reclassification has no impact on revenue, income before taxes, or net income.
Reconciliation of basic net income per share to adjusted EPS
Three months endedSix months ended
June 30,June 30,
(dollars in thousands)2026202520262025
Net income$9,376 $10,250 $14,930 $16,413 
Adjusted net earnings$8,531 $806 $18,683 $15,417 
Weighted-average number of common shares 27,062,861 29,354,387 27,344,397 28,611,557 
Weighted-average number of diluted shares27,943,719 32,562,639 29,318,292 32,743,696 
Basic net income per share$0.35 $0.35 $0.55 $0.57 
Diluted net income per share$0.34 $0.33 $0.53 $0.55 
Adjusted EPS(i)
$0.32 $0.02 $0.69 $0.54 

(i)See "Non-GAAP Financial Measures".
Net Debt
(dollars in thousands)June 30,
2026		December 31, 2025
Credit Facility(i)
$145,000 $174,156 
Equipment financing(i)
459,125 309,238 
Mortgage(i)
26,302 26,742 
Senior-secured debt(ii)
630,427 510,136 
Senior unsecured notes550,000 350,000 
Contingent obligations(i)
74,664 63,453 
Convertible debentures(i)
— 55,000 
Cash(167,676)(100,128)
Net debt(ii)
$1,087,415 $878,461 

(i)Includes current portion.
(ii)See "Non-GAAP Financial Measures".


Free Cash Flow
Three months endedSix months ended
June 30,June 30,
(dollars in thousands)2026202520262025
Per the Consolidated Statements of Cash Flows
Cash provided by operating activities$90,926 $64,674 $120,731 $116,092 
Cash used in investing activities(134,792)(71,823)(180,961)(165,604)
Effect of exchange rate on changes in cash(440)915 6,658 (160)
Add back of growth and non-cash items included in the above figures:
Acquisition of IMC(i)
37,535 — 37,535 — 
Acquisition costs1,620 — 2,954 — 
Growth capital additions(ii)
52,052 24,463 64,977 52,529 
Capital additions financed by leases(ii)
(23,872)(18,605)(23,872)(44,808)
Free cash flow(ii)
$23,029 $(376)$28,022 $(41,951)

(i)See "Non-GAAP Financial Measures".


Consolidated Balance Sheets
(Expressed in thousands of Canadian Dollars)
(Unaudited)
June 30,
2026		December 31, 2025
Assets
Current assets
Cash$167,676 $100,128 
Accounts receivable235,679 148,928 
Contract assets32,456 30,472 
Inventories85,032 75,660 
Prepaid expenses and deposits10,157 6,925 
Assets held for sale655 107 
531,655 362,220 
Property, plant and equipment, net of accumulated depreciation of $660,490 (December 31, 2025 – $582,892)1,562,209 1,358,852 
Operating lease right-of-use assets13,283 10,734 
Investments in affiliates and joint ventures71,479 70,416 
Intangible assets32,145 12,333 
Other assets36,402 5,198 
Total assets$2,247,173 $1,819,753 
Liabilities and shareholders' equity
Current liabilities
Accounts payable$204,673 $102,054 
Accrued liabilities94,846 89,308 
Contract liabilities15,572 22,848 
Current portion of long-term debt138,409 160,557 
Current portion of contingent obligations41,625 34,597 
Current portion of operating lease liabilities2,273 1,495 
497,398 410,859 
Long-term debt1,033,803 749,829 
Contingent obligations33,039 28,856 
Operating lease liabilities11,461 9,698 
Other long-term obligations23,658 22,607 
Deferred tax liabilities167,579 141,283 
1,766,938 1,363,132 
Shareholders' equity
Common shares (authorized – unlimited number of voting common shares; issued and outstanding – June 30, 2026 - 27,710,462 (December 31, 2025 – 28,821,481)) 272,858 282,957 
Treasury shares (June 30, 2026 - 881,390 (December 31, 2025 - 871,244)) (15,202)(14,993)
Additional paid-in capital— 2,807 
Retained earnings178,225 176,463 
Accumulated other comprehensive income44,354 9,387 
Shareholders' equity480,235 456,621 
Total liabilities and shareholders' equity$2,247,173 $1,819,753 



Consolidated Statements of Operations and
Comprehensive Income

(Expressed in thousands of Canadian Dollars, except per share amounts)
(Unaudited)
Three months endedSix months ended
June 30,June 30,
Note2026202520262025
Revenue5 $400,963 $320,634 $720,182 $661,467 
Cost of sales11 298,097 230,293 518,494 472,521 
Depreciation59,456 54,511 115,465 115,225 
Gross profit43,410 35,830 86,223 73,721 
General and administrative expenses20,316 12,662 40,755 20,344 
Amortization of intangible assets1,227 489 1,786 1,090 
Loss (gain) on disposal of property, plant and equipment1,330 (110)1,260 (1,084)
Operating income20,537 22,789 42,422 53,371 
Interest expense, net12 18,880 14,123 35,570 27,639 
Equity (earnings) loss in affiliates and joint ventures7 (2,093)5,133 (4,869)1,850 
(Gain) loss on derivative financial instruments13(b)(75)750 750 7,662 
Change in fair value of contingent obligations13(a)(9,347)(13,238)(11,998)(10,208)
Income before income taxes13,172 16,021 22,969 26,428 
Current income tax (benefit) expense(3,050)798 (661)2,575 
Deferred income tax expense6,846 4,973 8,700 7,440 
Net income9,376 10,250 14,930 16,413 
Other comprehensive income
Unrealized foreign currency translation (gain) loss(10,231)559 (34,967)81 
Comprehensive income$19,607 $9,691 $49,897 $16,332 
Per share information
Basic net income per share9(b)$0.35 $0.35 $0.55 $0.57 
Diluted net income per share9(b)$0.34 $0.33 $0.53 $0.55