February 14, 2024
Company name: DKK Co., Ltd.
Representative: Tadatoshi Kondo, President & Representative Director(Securities code: 6706, Tokyo Stock Exchange Prime Market)
Contact: Takashi Asai, Director, Managing Executive Officer(TEL. +81-3-3216-1671)(Correction) Partial correction to the "Consolidated Financial Results
for the Nine Months Ended December 31, 2023 (Under Japanese GAAP)"
We found information that needed to be corrected in the "Consolidated Financial Results for the Nine
Months Ended December 31, 2023 (Under Japanese GAAP)" announced February 9, 2024. As such, we areannouncing the following corrections.
1. Reason for correction
We found errors in some of the information stated in the "1. Qualitative information on quarterly
financial results (1) Explanation of operating results (a) Telecommunication Business" and "2. Quarterly
consolidated financial statements and major notes (3) Notes to quarterly consolidated financial statements(Segment information, etc.)" of "Consolidated Financial Results for the Nine Months Ended December 31,
2023 (Under Japanese GAAP)" after we submitted it. We are thus correcting them.
Note that these corrections have no impact on the quarterly consolidated balance sheet, the quarterly
consolidated statement of income, and the quarterly consolidated statement of comprehensive income.
2. Corrections
Underlines indicate corrections.

Consolidated Financial Results for the Nine Months Ended December 31, 2023 (Under Japanese GAAP)(Page 2 of Attachment)
1. Qualitative information on quarterly financial results[Before](1) Explanation of operating results<Omitted>(a) Telecommunication Business<Omitted>
As a result, orders received decreased 11.2% year on year to 16,055 million yen, and net sales decreased 14.1%
year on year to 13,079 million yen. Segment loss (operating loss) came to 81 million yen (compared to segment
income (operating income) of 105 million yen in the year-earlier period).
[After](1) Explanation of operating results<Omitted>(a) Telecommunication Business<Omitted>
As a result, orders received decreased 11.2% year on year to 16,055 million yen, and net sales decreased 14.1%
year on year to 13,079 million yen. Segment loss (operating loss) came to 139 million yen (compared to segment
income (operating income) of 105 million yen in the year-earlier period).

(Page 9 of Attachment)
2. Quarterly consolidated financial statements and major notes(3) Notes to quarterly consolidated financial statements[Before](Segment information, etc.)[Segment information]<Omitted>
II Nine months ended December 31, 2023 (from April 1, 2023 to December 31. 2023)
1. Information on amounts of net sales and income/loss by reportable segment
Reportable segment
TelecomRadiomunicatio Frequencny
Business BusinessTotal

OtherBusinesses(Note) 1Total(Millions of yen)Amountrecorded inquarterly
Adjustment consolidates (Note) 2 d statementof income(Note) 3

Net sales
Sales to externalcustomers
Intersegment sales ortransfers
TotalSegment income (loss)

13,057

7,139

20,19780

20,277－

20,277

22－

22

120

142

(142)

－

13,0797,139

20,219201

20,420(142)

20,277

(81)

745

664

96

761

(2,201)(1,440)(Notes) 1 The “Others” segment, which is not included in reportable segments, includes equipment leasing andelectric power sales businesses.
2The segment income adjustment of (2,201) million yen includes elimination of intersegment
transactions of (50) million yen and corporate expenses of (2,151) million yen that are not allocated to
any reportable segment. Corporate expenses are mainly general and administrative expenses that are
not attributable to any reportable segments.

3Adjustments are made to reconcile segment income (loss) with operating loss in the quarterly
consolidated statement of income.
2.

Information on impairment losses or goodwill, etc. on non-current assets by reportable segment(Material impairment losses pertaining to non-current assets)
Impairment losses on non-current assets are recognized in the Radio Frequency Business segment.
The amount of the impairment losses recognized for the nine months ended December 31, 2023 is 841
million yen.

[After](Segment information, etc.)[Segment information]<Omitted>
II Nine months ended December 31, 2023 (from April 1, 2023 to December 31. 2023)
1. Information on amounts of net sales and income/loss by reportable segment
Reportable segment
TelecomRadiomunicatio Frequenc
nyBusiness Business

Total

OtherBusinesses(Note) 1Total(Millions of yen)Amountrecorded inquarterly
Adjustment consolidates (Note) 2 d statementof income(Note) 3Net sales
Sales to externalcustomers
Intersegment sales ortransfers
TotalSegment income (loss)

13,057

7,139

20,19780

20,277－

20,277

22－

22

120

142(142)－

13,0797,139

20,219201

20,420(142)

20,277

(139)

745

606

96

702

(2,143)(1,440)(Notes) 1 The “Others” segment, which is not included in reportable segments, includes equipment leasing andelectric power sales businesses.
2The segment income adjustment of (2,143) million yen includes elimination of intersegment
transactions of (50) million yen and corporate expenses of (2,093) million yen that are not allocated to
any reportable segment. Corporate expenses are mainly general and administrative expenses that are
not attributable to any reportable segments.

3Adjustments are made to reconcile segment income (loss) with operating loss in the quarterly
consolidated statement of income.
2.

Information on impairment losses or goodwill, etc. on non-current assets by reportable segment(Material impairment losses pertaining to non-current assets)
Impairment losses on non-current assets are recognized in the Radio Frequency Business segment.
The amount of the impairment losses recognized for the nine months ended December 31, 2023 is 841
million yen.
(Significant change in the amount of goodwill)In the second quarter of the current fiscal year, the Company purchased shares of Cybercore
Co., Ltd. and included it and its subsidiaries in the scope of consolidation. This increased
goodwill by 1,397 million yen in the Telecommunication Business segment.
Note that the amount of goodwill is provisional as allocation of the acquisition cost was notcompleted as of December 31, 2023.